need help with some chemistry problems please :)?

Batman

New member
1.) A solution is made by dissolving 0.565g of potassium nitrate in enough water to make up 250. mL of solution. What is the molarity of this solution?
2.) How many moles of HCl are contained in 0.600L of 0.120 M HCl?
3) How many mL of 0.200 M KI would contain 0.0500 moles of KI?
Any help would be appreciated
 
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