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anastassius [24]
2 years ago
6

The stock concentration of NaOH is 0.5M. 0.5M = 0.500mol/1.0L.

Chemistry
1 answer:
valentinak56 [21]2 years ago
5 0

Answer:a) 0.1 mole. b) 4g. c) 2% d)  196 mL

Explanation: in 200mL , 0.1mole

mw NaOH = 40g/mol —> 4g in 0.1 mole

4g in 200mL so 2g in 100mL

density NaOH = 1g/mL so if 4g in 200 mL,  4mL , 196 mL water

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