I need some help on Chemistry homework?

Posted on 2016-04-29 18:24:00 in Chemistry by JOSEPH

I need some help on Chemistry homework. Can someone please work through these and tell me just the final answers? I need to show work to get credit anyways so I'm not just being lazy. I already worked through these but i feel like I did something wrong. 
1.) If 35.0 grams of silver nitrate is dissolved in 2500. grams of water, what is it's molality? 

2.) How many grams of potassium hydroxide is needed to add 554 grams of water in order to prepare a 4.36m solution? 

3.) 23.0 grams of calcium chloride is added to enough water to make 850. grams of solution. Calculate its molality? 

Thanks in advance.

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