One liter of water at 45 C is used to make iced tea. How much ice at 0 C must be added to lower the temperature of the tea to 14 C?

One liter of water at 45◦C is used to make icedtea.How much ice at 0◦C must be added tolower the temperature of the tea to 14◦C?The specific heat of water is 1 cal/g ·◦C andlatent heat of ice is 79.7 cal/g.Answer in units of g