A. 1.0
B. 2.0
C. 3.0
D. 4.0
Correct Answer:
Option B – 2.0
Explanation
Relative molecular mass of NaCl = 23 + 35.5 = 55.5 g/mol
No. of mole of NaCl = 117/55.5 = 2.1 mol
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![Calculate the mass of sodium hydroxide in 5.00 dm³ of a 0.125 mol dm‾³ solution. [NaOH = 40 g mol‾¹]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Calculate the mass of sodium hydroxide in 5.00 dm³ of a 0.125 mol dm‾³ solution. [NaOH = 40 g mol‾¹]")