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Question

9.8 grams of H2SO4 is present in two litres of a solution. The molarity of the solution is:

A
0.1 M
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B
0.05 M
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C
0.2 M
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D
0.01 M
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Solution

The correct option is D 0.05 M
The molar mass of sulphuric acid is 98 g/mol.

Number of moles of sulphuric acid=Mass of sulphuric acidMolar mass of sulphuric acid=9.8g98g/mol=0.1mol

Molarity of the solution=Number of moles of sulphuric aicdVolume of solution =0.1mol2L=0.05M

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