Chapter 8, Problem 45QAP

lculate the percent by mass of each element in the following compounds.

l type='a'>

   ${\text{HClO}}_3$

i>   ${\text{UFl}}_4$

i>   ${\text{CaH}}_2$

i>   ${\text{Ag}}_2\text{S}$

i>   ${\text{NaHSO}}_3$

i>   ${\text{MnO}}_2$