Question

What is the molar mass of carbon monoxide (in units of g/mol)? Your answer should have the appropriate number of significant figures (use two decimal places in atomic masses). Only give the numeric value of your answer. Don't include the units.

Answer 1

The molar mass of carbon monoxide is the sum of the molar masses of one atom of carbon (12.011 g/mol) and one atom of oxygen (15.999 g/mol), resulting in 28.010 g/mol, which is rounded to 28.01 for the appropriate number of significant figures.

Step-by-step explanation:

The question asks for the molar mass of carbon monoxide. To calculate this, we need to sum the molar masses of its constituent elements, carbon (C) and oxygen (O). Using information from the periodic table, we find that the atomic mass of carbon is 12.011 amu, which equates to a molar mass of 12.011 g/mol. Oxygen's atomic mass is listed as 15.999 amu, equating to 15.999 g/mol for its molar mass. Since carbon monoxide has one atom of carbon and one atom of oxygen, its molar mass is the sum of the two:

Molar mass of CO = Molar mass of C + Molar mass of O
= 12.011 g/mol + 15.999 g/mol
= 28.010 g/mol.

Therefore, the molar mass of carbon monoxide is 28.01.