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JEE Main levelSingle correct optionDifficulty 2 of 3mc079

Concentrated sulfuric acid is by mass with density . Taking , its molarity is

  1. A
  2. B
  3. C
  4. D

Answer: D

1 L of acid weighs 1840 g and contains 0.98 x 1840 = 1803.2 g of = 18.4 mol. Molarity = 18.4 M.
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More questions on Concentration terms (molarity, molality, mole fraction, ppm) and dilution