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0.01 mol of an organic compound with given % of C or H burns to give a mass of CO2 or water: molar mass

The same question, asked 2 times: 29 Jan 2023*, 23 Jan 2025. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    29 Jan 2023

    148
    When 0.01 mol0.01\text{ }mol of an organic compound containing 60%60\% carbon was burnt completely, 4.4 g4.4\text{ }g of CO2CO_{2} was produced. The molar mass of the compound is ____ g mol−1g\text{ }mol^{- 1} (Nearest integer).

  2. Question 2

    23 Jan 2025

    121
    0.01 mole of an organic compound (X) containing 10%10\% hydrogen, on complete combustion produced 0.9 gH2O0.9\text{ }gH_{2}O. Molar mass of (X)(X) is ___\_\_\_ gmol−1gmol^{- 1}.