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0.01 mole solution of .10 volume. H_2O_2 is required to convert 0.01 mol PbS into PbSO_4 ? |
Answer» <html><body><p>11.2<br/>22.4<br/>33.6<br/>44.8</p>Solution :`<a href="https://interviewquestions.tuteehub.com/tag/pbs-597770" style="font-weight:bold;" target="_blank" title="Click to know more about PBS">PBS</a>+4H_2O_2 to PbSO_4 + 4H_2O` <br/> `4H_2O_2 to 4H_2O + 2O_2` <br/>To convert 1 mole PbS <br/> 1 `PbSO_4` required = 4 mole `H_2O_2` <br/> `therefore` to convert 0.01 <a href="https://interviewquestions.tuteehub.com/tag/mol-1100196" style="font-weight:bold;" target="_blank" title="Click to know more about MOL">MOL</a> PbS to `PbSO_4`= (?) <br/> `=(0.01xx4)/1`= 0.04 mol `H_2O_2` required <br/> <a href="https://interviewquestions.tuteehub.com/tag/strength-1229153" style="font-weight:bold;" target="_blank" title="Click to know more about STRENGTH">STRENGTH</a> of volume=10 <br/> `M=V/11.2 =10/11.2 `=0.8928 mol/lit `H_2O_2` <br/> 0.8928 mol `H_2O_2 to` 1 <a href="https://interviewquestions.tuteehub.com/tag/litre-1075864" style="font-weight:bold;" target="_blank" title="Click to know more about LITRE">LITRE</a> `H_2O_2` <br/> `therefore` 0.04 mol `H_2O_2 to` (?) <br/> `=(0.04xx1)/0.8928` <br/> =0.04480 litre <br/> =44.80ml `H_2O_2`</body></html> | |