(a) 1g CO2 (b) 1g N2 Which of the following has maximum number of atoms? The mass is same for all the four gases. (b) 1 g N 2. 48 molecules of methane. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. 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. NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. Correct Answer: 2 gm H₂. Which of the following contains maximum number of molecules ? (a) 18g of H 2 O (b) 18g of O 2 (c) 18g of CO 2 (d) 18g of CH 4 7. Ask for details ; Follow Report by 7077 05.02.2020 number of molecules? 3. Explanation: 2 gm of H₂ means one mole of H₂. 2. Which of the following contains maximum number of molecules. Which of the following contains maximum number of molecules? Which of the following has maximum number of atoms? NCERT Solutions of Ch 3 Atoms and Molecules Class 9th Science. of molecules in N 2 = 1 × 6. Soln: Others have less than one mole, so have less number of molecules. 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. 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. Therefore , the answer is ( c ) 8. Performance & security by Cloudflare, Please complete the security check to access. (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 sample of ethane (C2H6) gas has the same mass as 1.5 x 1020 molecules of methane (CH4). 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. • a) SiCl 4. A gold sample contains 90% of gold and the rest copper. With the molar mass, this allows you to convert between mass, moles and molecules. The number of oxygen atoms in the solution are. The gas having lowest molar mass will have maximum number of moles and maximum number of molecules. Books. Number of atoms present in 1 molecule of methane ( ) = 5. Which of the following contains maximum number of molecules? (ii) 20 moles of … 15.0 g N2. Chemistry. Which of the following correctly represents 360g of […] 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? Text Solution. 2-Which of the following contains maximum number of molecules *2 points19 gm CO21gm N21gm H21gm CH4 Get the answers you need, now! Which of the following contains maximum number of molecules? The concentration of the solution will be $$(Na = 23 ; Cl = 35.5)$$ Number of atoms present in 1 mole of a substance =. 3.42 g of sucrose are dissolved in 18g of water in a beaker. 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. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Note: NA = 6.023×10 23. Which of the following contains maximum number of molecules . (a) 4 g of O 2 (b) 4 g of NH 3 (c) 4 g of CO 2 (d) 4 g of SO 2 contains maximum number of molecules MCQs from CBSE Class 9 Science Chapter 3: Atoms and Molecules 1. (d) 1 g CH 4. atoms and molecules. Which of the following contains the largest. 1. Number of atoms in 1 molecule of ammonia ( ) = 4. (a) 1g Li (b) 1g Au (c) 1g Cu (d) 1g He. one mole of H₂ contains 6.02 x 10²³ molecules. 0 votes. 2151 × 10 23 molecules As can be seen from the above calculates, that 1 g of H 2 contains the maximum number of molecules. 4 gm of hydrogen 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. 2.5k VIEWS. asked Feb 5, 2018 in Class IX Science by aman28 (-872 points) atoms and molecules. Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12g. Options (a) 7 gm N₂ (b) 2 gm H₂ (c) 16 gm NO₂ (d) 16 gm O₂. 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. The chemical symbol for nitrogen gas is. will have maximum number of molecules. With Avogadro's number you can always find the number of molecules. 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'. From the above calculations, it is visible that 48 grams of Helium … Answer. Which of the following contains maximum number of molecules ? 4.) Which of the following statements about Rutherford’s model of atom are correct . PCl 4 + : Both are isostructural because their central atom is sp 3 hybridised and both have a tetrahedral arrangement. Which of the following contains maximum number of molecules? 20 EXEMPLAR PROBLEMS 8. (A) 100 cc of CO2 at STP (B) 150 cc of N2 at STP (C) 50 cc of SO2 at STP (D) 150 cc. 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. Physics. Related Questions: In graphide electrons are The correct answer is the fourth option. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. $$200 \,ml$$ of a solution contains $$5.85 \,g$$ dissolved sodium chloride. c) NH 3 and PH 3 have sp 3 geometry. Which of the following contains maximum number of molecules? 3.) A sample of vitamin C is known to contain 2.58 x 1024 oxygen atoms. (a) Ni (b) N2 (c)N(d) N. Answer: (b) Nitrogen molecule is … Thus, the molar mass of hydrogen is minimum. Which of the following contains maximum number of molecules. Cloudflare Ray ID: 5ff19ca3fa921e69 So maximum no of molecules will be in the gas with maximum volume that is 200 cc of NH 3. 4. number of molecules. Compute the number of ions present in 5.85 g of sodium chloride. Which of the following contains maximum number of molecules . (a) 1 g CO 2. The following contains maximum number of molecules. b) Diamond and silicon carbide (SiC): Both are isostructural because their central atom is sp 3 hybridised and both have a tetrahedral arrangement. 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 Books. Which of the following contains maximum number of molecules? Another way to prevent getting this page in the future is to use Privacy Pass. Which of the following contains maximum number of molecules 6.5k LIKES. • 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. 15.0 g O2. A. 3 mole of oxygen. 023 × 10 23 28 = 0. are 44 g/mol, 28 g/mol , 2 g/mol and 16 g/mol respectively. Your IP: 83.137.144.115 (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? 15.0 g CO2. Which has maximum number of molecules . (c) 1 g H 2. 2.5k SHARES. asked Feb 5, 2018 in Class IX Science by aman28 (-872 points) Which of the following contains maximum number of molecules? Can you explain this answer? Explanation: 1 g of H2 = ½ x NA = 0.5 NA = 0.5 × 6.022 × 1023 = 3.011 × 1023. Soln: Answer is (c) 1g H2 . | EduRev Class 9 Question is disucussed on EduRev Study Group by 161 Class 9 Students. Which of the following correctly represents 360g of water? Physics. Which of the following contains maximum number of molecules? Which of the following contains maximum number of molecules?
a) Number of molecules in 44g (molar mass of )
Number of molecules in 1g 7. Mass of one atom of … Which of the following has maximum number of atoms? Which of the following has maximum number of atoms ? 1. 22400 cc at STP has 6.022 x 10 23 molecules of any gas. Which of the following contains maximum number of molecules? 15.0 g H2O. You may need to download version 2.0 now from the Chrome Web Store. asked Feb 5, 2018 in Class IX Science by saurav24 Expert ( 1.4k points) atoms and molecules Solution : option c) the correct answer, i.e, 1 g of contains maximum number of molecules. (a) 1g CO 2 (b) 1g N 2 (c) 1g H 2 (d) 1g CH 4 16-04-2018. (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. (a) 1 g CO2                (b) 1 g N2                   (c) 1 g H2                   (d) 1 g CH4. (a) 1g CO2 (b) 1g N2 (c) 1g H2 (d) 1g CH4. All of the other answers have the same. 5. (i) 2 moles of water. Which of the following contains maximum number of molecules? 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