The molality of a H2SO4 solution is 9. The weight of the solute in 1 kg H2SO4 solution is:

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The molality of a H₂SO₄ solution is 9. The weight of the solute in 1 kg H₂SO₄ solution is:

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9 g

469 g

900 g

882 g

answer is B.

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Detailed Solution

$9 molal H_{2} {SO}_{4} = 9 \times 98 {gH}_{2} {SO}_{4} in 1000 {gH}_{2} O$

$= 882 {gH}_{2} {SO}_{4} in 1882 {gH}_{2} {SO}_{4} solution$

$= \frac{882}{1882} \times 1000 {gH}_{2} {SO}_{4} in 1 kg solution$

= 469 g

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