The concentration of the resulting solution is 0.33 M. The correct option is 3. 0.33 M
Dilution
From the question, we are to determine the concentration of the resulting solution
From the dilution law,
M₁V₁ = M₂V₂
Where M₁ is the initial concentration
V₁ is the initial volume
M₂ is the final concentration
V₂ is the final volume
From the given information
M₁ = 1.0 M
V₁ = 20 mL
M₂ = ?
V₂ = 60 mL
Then,
1 × 20 = M₂ × 60
20 = M₂ × 60
Therefore,
M₂ = 20 ÷ 60
M₂ = 0.33 M
Hence, the concentration of the resulting solution is 0.33 M. The correct option is 3. 0.33 M
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