Chapter 7, Problem 62E

Pair each cation on the left with an anion on the right that will form a soluble compound with it and write a formula for the soluble compound. Use each anion only once.

${\text{Na}}^{+}$	${\text{NO}}_{\text{3}}{}^{-}$
${\text{Sr}}^2{}^{+}$	${\text{SO}}_4{}^{2-}$
${\text{Co}}^{2+}$	${\text{S}}^{2-}$
${\text{Pb}}^{2+}$	${\text{CO}}_{\text{3}}{}^{2-}$