1.

0.5 mole of calcium carbonate id decomposed by an aqueous solution containing 25 % JCl by mass. Calculate the mass of the solution consumed.

Answer» <html><body><p><br/></p>Solution :Chemical equation for the <a href="https://interviewquestions.tuteehub.com/tag/reaction-22747" style="font-weight:bold;" target="_blank" title="Click to know more about REACTION">REACTION</a> is : <br/> `underset("1 mol")(CaCO_(3))+underset("2 mol")(2HCl)rarrCaCl_(2)+H_(2)O+CO_(2)`<br/> 1 mole of `CaCO_(3)` react with HCl = 2 mol <br/> 0.5 mole of `CaCO_(3)` react with HCl = 1 mol = 36.5 g <br/> Mass of HCl solution <a href="https://interviewquestions.tuteehub.com/tag/required-1185621" style="font-weight:bold;" target="_blank" title="Click to know more about REQUIRED">REQUIRED</a> ot consumed `= 36.5 xx (100)/(<a href="https://interviewquestions.tuteehub.com/tag/25-296426" style="font-weight:bold;" target="_blank" title="Click to know more about 25">25</a>) = 146 g`.</body></html>


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