Question

$S{O}_2$ turns limewater milky, $3.2g$ of $S{O}_2$ gives milkyness is:

Answer 1

$Ca(OH{)}_2+S{O}_2\to CaS{O}_3+H_{2}O$

64g of sulphur dioxide gives 120g of milkyness where as 3.2 g gives x gm of milkyness.

Thus, $x$ = $\frac{3.2\times 120}{64}$

$x$ = 6 gm

64g of sulphur dioxide gives 120g of milkyness where as 3.2 g gives 6 gm of milkyness.