Chapter 4, Problem 153SAE

For each of the following compounds,write a balanced chemical equation for forming the compound from itselements. What is the percent atom economy in each case? (a) ${\text{RbBrO}}_{\text{4}}$ ; (b) ${\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}$ ; (c) $\text{Mg}{\left({\text{ClO}}_{\text{3}}\right)}_{\text{2}}$ ; (d)
${\text{NaNO}}_{\text{2}}$ .