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Different Types of Intervals in Inequality

If 100 ml o...

Question

If $100$ ml of $1$ M $H_{2} S O_{4}$ solution is mixed with $100$ ml of $98$ % ( $w / w$ ) $H_{2} S O_{4}$ solution (d $=$ $0.1$ g/ml), then:

concentration of solution remains same

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volume of solution become

200

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mass of

H_{2} S O_{4}

in the solution is

98

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mass of

H_{2} S O_{4}

in the solution is

19.6

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Solution

The correct options are
A concentration of solution remains same
B volume of solution become $200$ ml
D mass of $H_{2} S O_{4}$ in the solution is $19.6$ g
(A) Molarity of second solution $= \frac{10 \times d \times x}{M} = 1$ M, where $x$ is the concentration of second solution (in percent) and $M$ is the molecular weight of the acid.
(B) Volume $= 100 + 100 = 200$ mL
(C) Mass of $H_{2} S O_{4} = \frac{200 \times 1}{1000} \times 98 = 19.6$ g
Hence, options $A, B$ and $D$ are correct.

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If 100 ml of 1M H2SO4 solution is mixed with 100 ml of 98% (w/w) H2SO4 solution (d = 0.1 g/ml), then:

If $100$ ml of $1$ M $H_{2} S O_{4}$ solution is mixed with $100$ ml of $98$ % ( $w / w$ ) $H_{2} S O_{4}$ solution (d $=$ $0.1$ g/ml), then: