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JEE Main 2019 · 8 Apr · Shift I

JEE Main 2019 Chemistry question on Some Basic Concepts of Chemistry

100 mL of a water sample contains 0.81 g of calcium bicarbonate and 0.73 g of magnesium bicarbonate. The hardness of this water sample expressed in terms of equivalents of CaCO3\text{CaCO}_3 is (molar mass of calcium bicarbonate is 162 g mol−1^{-1} and magnesium bicarbonate is 146 g mol−1^{-1})
  1. A.
    5,000 ppm
  2. B.
    1,000 ppm
  3. C.
    100 ppm
  4. D.
    10,000 ppm
Show answer

Correct option: D

[JEE Main 2019 · 8 Apr · Shift I]

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