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Steam at 100^@C is passed into 20 g of w...

Steam at `100^@C` is passed into 20 g of water at `10^@C` When water acquires a temperature of `80^@C`, the mass of water present will be Take specific heat of `water= 1 cal g^-1^@ C^-1` and `latent heat of steam = 540 cal g^-1`)

A

24 g

B

31.5 g

C

42.5 g

D

22.5 g

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