How many grams of NaOH should be dissolved to prepare 100 cm3
of 0.15 M NaOH solution?
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Answer:
In 100 mL of 0.5 M NaOH solution, there are 100ml×0.5mol NaOH=50mmol of NaOH
Molar mass of NaOH = 40 g/mol NaOH
Mass of NaOH in 50mmol =50×10
−3
×40g=2g
Explanation:
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