Answer to Question #109378 in General Chemistry for Rodaina

Question

3. A specialist takes 10 mcL of a 2% solution and dilutes it to 50 mcL by adding it to water. Find the percent concentration of the resulting solution.

Answer 1

In a 10 mcL 2% solution solute present = (2*10)/100 unit

=0.2 unit

10 mcL solution diluted to 50mcL.

In 50 mcL solute present .2unit.

Therefore, the concentration of the solution = .4%