Question

If $500mL$ of a $5M$ solution is diluted to $1500mL$, what will be the molarity of the solution obtained?

• A. $1.5M$
• B. $1.66M$
• C. $1.017M$
• D. $1.59M$

Answer 1

Answer: (B)

$M_1{V}_1=M_2{V}_2$
$5M\times 500mL=M_2\times 1500mL$
$\therefore M_2=\frac{5\times 500}{1500}=1.66M$