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Percentage of sulphur when 0.471 g of a compound gives 1.44 g of barium sulphate

The same question, asked 2 times: 2021 Paper 19*, 25 Jan 2023. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2021 Paper 19

    51
    In the sulphur estimation, 0.471 g0.471\text{ }g of an organic compound gave 1.44 g1.44\text{ }g of barium sulphate. The percentage of sulphur in the compound is %\%. (Nearest integer) (Atomic Mass of Ba=137uBa = 137u )

  2. Question 2

    25 Jan 2023

    53
    In sulphur estimation, 0.471 g0.471\text{ }g of an organic compound gave 1.4439 g1.4439\text{ }g of barium sulphate. The percentage of sulphur in the compound is _____(Nearest Integer) (Given: Atomic mass Ba: 137u, S: 32u, 0:16u )