Answer:
The concentration for 25 mL is 0.81 M
Explanation:
Given data:
Initial volume = 135 mL
Initial molarity = 0.150 M
New volume added = 25 mL
Concentration for 25 mL = ?
Solution:
M₁V₁ = M₂V₂
0.150 M × 135 mL = M₂ × 25 mL
M₂ = 0.150 M × 135 mL / 25 mL
M₂ = 20.25 M.mL/25 mL
M₂ = 0.81 M
The concentration for 25 mL is 0.81 M.
