A quantity of hot water at 100oC is added to 400g of water at 10oC until the temperature of the mixture is 60oC. Calculate the mass of the hot water added. ...

A quantity of hot water at 100^oC is added to 400g of water at 10^oC until the temperature of the mixture is 60^oC.

Calculate the mass of the hot water added. [Specific heat capacity of water =4200JKg^-1 K^-1]

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