Question

The number of molecules in 45.6g of o2f2-

Answer 1

Explanation:

The molar mass of carbon monoxide ( CO ) is 28.01 g/mol.

First calculate the number of moles of CO:

140g28.0gmo=5.00mol

Then multiply by Avogadro's number to obtain the number of molecules:

5.00mol×6.022×1023mol−1=3.01×1024