Question

What is the percent (%m/v) of a solution prepared by diluting 10.0 ml of 9.00% naoh to 60.0 ml?

Answer 1

Answer:

1.5%

Explanation:

9% solution= 9÷40×1000÷100= 2.25 molar

now M1V1=M2V2

2.25X10=M2X60

M2=2.25×10÷60= 0.375 m

% 0.375x40/1000 ×100= 1.5 %