## Question

How many grams of NaOH should be dissolved to make 100 cm^{–3} of 0.15 M NaOH solution?

### Solution

0.6 g

∴1000 cm^{3} of 0.15 M NaOH contain NaOH = 0.15 mole

∴ 100cm^{3} of 0.15 M NaOH contain NaOH

=

(Molar mass NaOH = 40 g mol^{–1})

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