What is the molarity of a sodium chloride solution that has 117g of
NaCl dissolved in 1000mL (molar
mass of NaCl = 58.5g/mol)

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water

What element has similar physical and chemical properties as boron.

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.