Steam at 100.0ºC was passed into a flask containing 250.0 g of water at 21.0ºC,

Question

Steam at 100.0ºC was passed into a flask containing 250.0 g of water at 21.0ºC, where the
steam condensed. How many grams of steam must have condensed if thetemperature of the water in the flaskwas raised to 76.0 ºC? The heat of vaporization of water at100.0 ºC is 40.7 kJ/mol, the specific heat of water is 4.18J/(g · ºC), and the molar mass of water is 18.02g/mol. Steam at 100.0ºC was passed into a flask containing 250.0 g of water at 21.0ºC, where the
steam condensed. How many grams of steam must have condensed if thetemperature of the water in the flaskwas raised to 76.0 ºC? The heat of vaporization of water at100.0 ºC is 40.7 kJ/mol, the specific heat of water is 4.18J/(g · ºC), and the molar mass of water is 18.02g/mol.

Explanation / Answer

i have no clue how to solve

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