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What is the molar mass of ? (Atomic mass: C=12.01, H=1.01, O=15.99)
Your answer:
⭕ 24.00 g/mol
⭕ 69.00 g/mol
⭕ 62.00 g/mol
⭕ 23.00 g/mol

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Related questions


7. An unknown gas has a density of 1.686 g/L when the pressure is 2.503 atm and the temperature is
35.0 oC. What is the molecular weight of this gas? Note that the gas constant R has the value

0.08205 L atm / K mol.

a) 2.015 g/mol b) 4.003 g/mol c) 17.03 g/mol d) 28.01 g/mol e) 44.01 g/mol

8. What is the identity of the unknown gas in the previous problem? The following atomic weights will be
helpful in working out your answer to this problem: H = 1.008 g/mol C = 12.01 g/mol

N = 14.01 g/mol O = 16.00 g/mol He = 4.003 g/mol

a) CO b) CO2 c) H2 d) He e) NH3

What is the molar mass of CH3CH3? The average atomic masses of C and H are 12.00 g/mol and 1.008 g/mol, respectively.

 

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