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AP EAMCET · Chemistry · Some Basic Concepts of Chemistry

What will be the molality of the solution containing \(18.25 \mathrm{~g}\) of \(\mathrm{HCl}\) gas in \(500 \mathrm{~g}\) of water?

  1. A \(0.5 \mathrm{~m}\)
  2. B ) \(0.1 \mathrm{~m}\)
  3. C \(1 \mathrm{~m}\)
  4. D \(0.05 \mathrm{~m}\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(1 \mathrm{~m}\)

Step-by-step Solution

Detailed explanation

Given, mass of \(\mathrm{HCI}=18.25 \mathrm{~g}\) Molar mass of \(\mathrm{HCI}=36.5 \mathrm{~g} / \mathrm{moI}\) Mass of water \(=500 \mathrm{~g}=0.5 \mathrm{~kg}\) Number of moles of \(\mathrm{HCI}=\) Mass of \(\mathrm{HCl} /\) Molar mass of…