# normality of solution

For each of the following solutions, the mass of solute taken is indicated, along with the total volume of solution prepared. Calculate the normality of each solution.

(a) 0.139 g NaOH; 10.5 mL

N

(b) 11.5 mg Ca(OH)2; 100. mL

N

(c) 12.5 g H2SO4; 195 mL

N

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#### Solution Preview

(a) The moles of 0.139 g of NaOH is: 0.139 / 40 = 0.003475 mol

the molarity of the solution is c = 0.003475 / 0.0105 = 0.33 M.

1 mol of NaOH can ...

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