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Ask for details ; Follow Report by 7077 05.02.2020 (a) 1g CO 2 (b) 1g N 2 (c) 1g H 2 (d) 1g CH 4; Mass of one atom of oxygen is; 3.42 g of sucrose are dissolved in 18g of water in a beaker. Related Questions: In graphide electrons are MCQ Questions for Class 9 Science Chapter 3 Atoms and Molecules with Answers MCQs from Class 9 Science Chapter 3 – Atoms and Molecules are provided here to help students prepare for their upcoming Science exam. Books. Number of atoms in 1 molecule of ammonia ( ) = 4. 4. c)2 g of hydrogen contains 6.02 x 10²³ molecules of hydrogen 0.5 g of Hydrogen contains = (0.5/2 ) x 6.02 x 10²³ molecules c)32 g of oxygen contains 6.02 x 10²³ molecules of hydrogen 10 g of Hydrogen contains = (10/32 ) x 6.02 x 10²³ molecules Thus (a) will have ma. 15.0 g H2O. Nov 28,2020 - Which of the following contains the maximum number of molecules?a)1 g H2b)1 g N2c)19 CO2d)1 g CH4Correct answer is option 'A'. Can you explain this answer? Which of the following statements about Rutherford’s model of atom are correct . Solution : option c) the correct answer, i.e, 1 g of contains maximum number of molecules. Which of the following correctly represents 360g of […] Soln: Answer is (c) 1g H2 . • Physics. With Avogadro's number you can always find the number of molecules. of molecules in N 2 = 1 × 6. The number of oxygen atoms in the solution are. 15.0 g N2. a) SiCl 4. (c) 1 g H 2. 3.) 2.5k VIEWS. Which of the following has maximum number of atoms? Performance & security by Cloudflare, Please complete the security check to access. (a) 1g CO2 (b) 1g N2 (c) 1g H2 (d) 1g CH4. Which of the following contains maximum number of molecules ? 5. 4.) Biology. 20 EXEMPLAR PROBLEMS 8. NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. $$200 \,ml$$ of a solution contains $$5.85 \,g$$ dissolved sodium chloride. b) Diamond and silicon carbide (SiC): Both are isostructural because their central atom is sp 3 hybridised and both have a tetrahedral arrangement. 1. Which of the following contains maximum number of molecules . Which of the following contains maximum number of molecules? Which of the following contains maximum number of molecules . If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. (a) 18g of H 2 O (b) 18g of O 2 (c) 18g of CO 2 (d) 18g of CH 4 7. Number of atoms present in 1 mole of a substance =. will have maximum number of molecules. Which of the following correctly represents 360g of water? The concentration of the solution will be $$(Na = 23 ; Cl = 35.5)$$ Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Which of the following contains maximum number of molecules 6.5k LIKES. one mole of H₂ contains 6.02 x 10²³ molecules. Soln: Solution : Equal volume of all gases, under similar conditions of temperature and pressure contains equal number of molecules (Avogadro's Law)
200 cc of at S.T.P. Which of the following contains maximum number of molecules? The gas having lowest molar mass will have maximum number of moles and maximum number of molecules. Which of the following contains maximum number of molecules? • 3. (a) 1g CO 2 (b) 1g N 2 (c) 1g H 2 (d) 1g CH 4 16-04-2018. Cloudflare Ray ID: 5ff19ca3fa921e69 22400 cc at STP has 6.022 x 10 23 molecules of any gas. The mass is same for all the four gases. Number of atoms present in 1 molecule of methane ( ) = 5. (a) 1 g CO 2. 2.5k SHARES. Which of the following contains maximum number of molecules? If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. number of molecules? The chemical symbol for nitrogen gas is. are 44 g/mol, 28 g/mol , 2 g/mol and 16 g/mol respectively. Which of the following contains maximum number of molecules a) 1g of CO2 b) 1g of N2 c) 1g of H2 d) 1g CH4 - Science - Atoms and Molecules 3 mole of oxygen. (A) 100 cc of CO2 at STP (B) 150 cc of N2 at STP (C) 50 cc of SO2 at STP (D) 150 cc. Which of the following contains maximum number of molecules ? So maximum no of molecules will be in the gas with maximum volume that is 200 cc of NH 3. Which of the following has maximum number of atoms? Which of the following contains maximum number of molecules? 7. Explanation: And a mole specifies 6.022×1023 individual molecules.......and is represented by the N A. a. contains 3 × N A atoms......... b. contains 1⋅ g 100.1⋅ g ⋅ mol−1 × 3 ×N A atoms......... c. contains 4 × N A atoms.........i.e. 4 gm of hydrogen The following contains maximum number of molecules. Mass of one atom of … Which of the following contains maximum number of molecules? Which of the following contains maximum number of molecules? 15.0 g CO2. Compute the number of ions present in 5.85 g of sodium chloride. 15.0 g O2. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. A sample of vitamin C is known to contain 2.58 x 1024 oxygen atoms. Explanation: 1 g of H2 = ½ x NA = 0.5 NA = 0.5 × 6.022 × 1023 = 3.011 × 1023. Your IP: 83.137.144.115 Which of the following contains maximum number of molecules? (a) 1 g C0 2 (b) 1 g N 2 (c) 1 g H 2 (d) 1 g CH 4 Answer: Question 8: Answer: (a) Mass of 6.023 x 10 23 atoms of oxygen = gram atomic mass of oxygen Mass of 6.023 x 10 23 atoms of oxygen = 16g asked Feb 5, 2018 in Class IX Science by aman28 (-872 points) Which of the following contains maximum number of molecules? Physics. From the above calculations, it is visible that 48 grams of Helium … Correct Answer: 2 gm H₂. Which of the following contains maximum number of molecules.
a) Number of molecules in 44g (molar mass of )
Number of molecules in 1g (a) 4 g of O 2 (b) 4 g of NH 3 (c) 4 g of CO 2 (d) 4 g of SO 2 Avogadro's number (6.022 x 10^23) is a collective number which tells you how many molecules of a substance there are in 1 mole of that substance. (a) 1g CO2 (b) 1g N2 (a) 1 g CO2                (b) 1 g N2                   (c) 1 g H2                   (d) 1 g CH4. Which of the following contains maximum number of molecules? (ii) 20 moles of … Which of the following has maximum number of atoms ? Note: NA = 6.023×10 23. Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12g. Which of the following has maximum number of atoms? 1. All of the other answers have the same. Which of the following contains maximum number of molecules? (a) 1g Li (b) 1g Au (c) 1g Cu (d) 1g He. (a) 18g of H 2 O (b) 18g of O 2 (c) 18g of CO 2 (d) 18g of CH 4; Which of the following contains maximum number of molecules? 2. 3.42 g of sucrose are dissolved in 18g of water in a beaker. number of molecules. Which of the following contains the largest. MCQs from CBSE Class 9 Science Chapter 3: Atoms and Molecules 1. (i) 2 moles of water. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Which of the following contains maximum number of molecules. Which has maximum number of molecules . | EduRev Class 9 Question is disucussed on EduRev Study Group by 161 Class 9 Students. Therefore , the answer is ( c ) 0 votes. (A) 100 cc of CO2 at STP (B) 150 cc of N2 at STP (C) 50 cc of SO2 at STP (D) 150 cc. (a) 18g of H 2 O (b) 18g of O 2 (c) 18g of CO 2 (d) 18 g of CH 4 Solution: (d) Number of atoms = Question 7. Which of the following contains maximum number of molecules? 8. contains maximum number of molecules Text Solution. 023 × 10 23 28 = 0. PCl 4 + : Both are isostructural because their central atom is sp 3 hybridised and both have a tetrahedral arrangement. 2151 × 10 23 molecules As can be seen from the above calculates, that 1 g of H 2 contains the maximum number of molecules. substance × Number of atoms in the molecule/ Molar mass × NA (a) 18 g of water =18 x3/18 ×NA = 3 NA (b) 18 g of oxygen = 18 x2 /32 × NA = 1.12 NA (c) 18 g of CO2 = 18 x3/44 × NA = 1.23 NA (d) 18 g of CH4 =18 x5 /16 × NA = 5.63 NA Note: NA = 6.023×1023 7. (b) 1 g N 2. Answer. NCERT Solutions of Ch 3 Atoms and Molecules Class 9th Science. Books. Thus, the molar mass of hydrogen is minimum. Chemistry. 48 molecules of methane. Others have less than one mole, so have less number of molecules. Explanation: 2 gm of H₂ means one mole of H₂. c) NH 3 and PH 3 have sp 3 geometry. With the molar mass, this allows you to convert between mass, moles and molecules. A sample of ethane (C2H6) gas has the same mass as 1.5 x 1020 molecules of methane (CH4). asked Feb 5, 2018 in Class IX Science by aman28 (-872 points) atoms and molecules. 2-Which of the following contains maximum number of molecules *2 points19 gm CO21gm N21gm H21gm CH4 Get the answers you need, now! asked Feb 5, 2018 in Class IX Science by saurav24 Expert ( 1.4k points) atoms and molecules (d) 1 g CH 4. atoms and molecules. The correct answer is the fourth option. A gold sample contains 90% of gold and the rest copper. In photosynthesis, 6 molecules of carbon dioxide combine with an equal number of water molecules through a complex series of reactions to give a molecule of glucose having a molecular formula C6H1206. Mass of one atom of oxygen is (a) 23 16 g 6.023 10 × (b) 23 32 g 6.023 10 × (c) 23 1 g 6.023 10 × (d) 8u. You may need to download version 2.0 now from the Chrome Web Store. A. (a) Ni (b) N2 (c)N(d) N. 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Always find the number of atoms Performance & security by cloudflare, Please complete the security check access. The same mass as 1.5 x 1020 molecules of methane ( CH4 ) tetrahedral arrangement: and! Gold and the rest copper mass, moles and molecules is ( c ) NH 3 and PH have! Correctly represents 360g of water in a magnesium ribbon weighing 12g of atom are correct following contains maximum number molecules!

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