Question

what is molaritybof solution that contain 40 g of NaOH in 500 g of solution​

Answer 1

Explanation:

Correct option is

Correct option isC

Correct option isC0.5 mol L−1

Correct option isC0.5 mol L−1Molarity = Vmln×1000

Correct option isC0.5 mol L−1Molarity = Vmln×1000Molar mass of NaOH = 40g/mol

No of moles of NaOH = 4010=0.25mol

No of moles of NaOH = 4010=0.25moltherefore Molarity = 5000.25×1000=500250=0.5molL−1

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