How Much Ice Remains When Water and Ice Reach Equilibrium in a Styrofoam Cup?

[Wamjam]

A styrofoam cup contains 2.00x10^2 g of water at 21.0°C. A student adds 60.0g of ice at 0°C into this cup. Determine the mass of ice in the cup when the ice-water mixture reaches equilibrium.



Qcold = -Qhot



no idea where to start

 

[Borek]

Can you try to describe (in words) what will be happening?