Answer:
M₂ = 0.16 M
Explanation:
Given data:
Initial volume of solution = 20 mL
Initial concentration = 1.0 M
Final volume = 120 mL
Final/new concentration = ?
Solution:
Formula:
M₁V₁ = M₂V₂
by putting values,
1.0 M × 20 mL = M₂ × 120 mL
M₂ = 1.0 M × 20 mL / 120 mL
M₂ = 20 M.mL /120 mL
M₂ = 0.16 M