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Solutions — Easy JEE chemistry MCQ

The molarity of a solution containing $4$ g of NaOH in $500$ mL solution is (Molar mass of NaOH = $40$ g/mol):
  1. A. $0.2$ M
  2. B. $0.1$ M
  3. C. $0.4$ M
  4. D. $2$ M

Solution

Moles of NaOH $= \frac{4}{40} = 0.1$ mol Molarity $= \frac{0.1}{0.5} = 0.2$ M

CHEMISTRY

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The molarity of a solution containing 44 g of NaOH in 500500 mL solution is (Molar mass of NaOH = 4040 g/mol):
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Solutions — Easy JEE Chemistry MCQ | MyGoalPrep