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At a constant temperature, which of the ...

At a constant temperature, which of the following aqueous solutions will have the maximum vapour pressure?
`(Mol wt NaCl = 58.5, H_(2)SO_(4) = 98.0 g mol^(-1))`

A

1 molal `NaCl`(aq)

B

1 molar `NaCl` (aq)

C

1 molal `H_2SO_4` (aq)

D

1 molar `H_2SO_4` (aq)

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A
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