Chapter 8, Problem 22QAP

Use the average atomic masses given inside the front cover ofthis book to calculate the mass in grams of each of the following samples.

l type='a'>

0.00552 mole of calcium

6.25 mmol of boron $\left(1\text{mmol}=\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$1000$}\right.\text{mole}\right)$

i>135 moles of aluminum

   $1.34\times {10}^{-7}$ moles of barium

2.79 moles of phosphorus

0.0000997 mole of arsenic