Question

How many grams are in 3 moles of KBr

Answer 1

`\text{Molar mass of KBr},~ M = 119.002~ \text{g mol}^(-1)`

`\text{No. of moles,}~ n = 3~ \text{mol.}\\\\\text{Mass of KBr},~ w = nM = 3 * 119.002= 357.006~ g\\\\\text{Hence, there are 357.006 grams in 3 moles of KBr.}`