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Mass of ethylamine from the N2 or HCl released when it reacts with nitrous acid

This type of question, asked 2 times: 4 Apr 2024, 5 Apr 2024. All 2 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    4 Apr 2024

    53
    XgXg of ethylamine is subjected to reaction with NaNO2/HClNaNO_{2}/HCl followed by water; evolved dinitrogen gas which occupied 2.24 L2.24\text{ }L volume at STP. XX is _______ ×10−1 g\times10^{- 1}\text{ }g.

  2. Question 2

    5 Apr 2024

    143
    XX g of ethanamine was subjected to reaction with NaNO2/HClNaNO_{2}/HCl followed by hydrolysis to liberate N2N_{2} and HClHCl. The HClHCl generated was completely neutralised by 0.2 moles of NaOHNaOH. XX is _____ g.