Question

what will be the molar concentration of a 500 mL solution that has 22.5g of hydrogen iodide dissolved in it?

Answer 1

Hydrogen iodide HI

$n=frac{m}{M}=\frac{22.5}{127.913}=0.1759$

$C=\frac{n}{V}=\frac{0.1759}{0.5}=0.35$