The specific heat of iron is 0.433 J g^-1 C^-1. What is the final temperature if 45.0 g of iron, initially at 95 ûC, is added to 100.0 g of water at 23.0 ûC?

Answer;

I got 26.2 degrees C. Is that what you got? If not go here to see how I solved the problem.