Question

Make the following conversions
1. mol↔molar mass↔6.02×10²³ atoms ions molecules

Answer 1

0.204 mol

Step-by-step explanation:

Molar mass of Pb(NO3)2 = 331.22 g/mol

so mol of 67.6 g equals 67.6g x (1 mole/331.22g) = 0.204 mol