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Standard X

Chemistry

Ideal Gas Equation

How many mill...

Question

How many millilitres of 0.5 M $H_{2} S O_{4}$ are needed to dissolve 0.5 g of Cu(II) carbonate?

6.01

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4.5

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8.1

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11.1

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Solution

The correct option is C 8.1
Equivalents of $H_{2} S O_{4} =$ Equivalents of $C u^{2 +}$
$2 \times 0.5 \times V = 2 \times \frac{0.5}{123.5}$
$V = 8.1 m l$

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How many millilitres of 0.5 M H2SO4 are needed to dissolve 0.5 g of Cu(II) carbonate?

The correct option is C 8.1Equivalents of H2SO4= Equivalents of Cu2+2×0.5×V=2×0.5123.5V=8.1 ml

How many millilitres of 0.5 M $H_{2} S O_{4}$ are needed to dissolve 0.5 g of Cu(II) carbonate?

The correct option is C 8.1
Equivalents of $H_{2} S O_{4} =$ Equivalents of $C u^{2 +}$
$2 \times 0.5 \times V = 2 \times \frac{0.5}{123.5}$
$V = 8.1 m l$