A. 0.0156 g
B. 0.625 g
C. 1.00 g
D. 25.0 g
Correct Answer: Option D
D. 25.0 g
Explanation
1 mole of NaOH per dm³ has a mass of 40g.
mass of NaOH in 0.125mole
= 0.125 x 40 = 5g.
mass in 5.00 dm3 of the solution.
= 5 x 5 = 25.0g.
A. 0.0156 g
B. 0.625 g
C. 1.00 g
D. 25.0 g
Correct Answer: Option D
D. 25.0 g
Explanation
1 mole of NaOH per dm³ has a mass of 40g.
mass of NaOH in 0.125mole
= 0.125 x 40 = 5g.
mass in 5.00 dm3 of the solution.
= 5 x 5 = 25.0g.
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