Question 251351

Show your solution and Don’t forget to provide units in your solution .

1. Calculate the molality of a solution containing 10.8 g of ethylene glycol(C2H6O2) in 360g of water.

2.what is the molality of a 60.5% by mass of nitric acid (HNO3) solution.

3.Calculate the molality of a solution containing 2.80 moles of ethyl alcohol (C2H6O) in 500 mL of solution.

4 determine the molarity of a solution containing 2.40 g of solution chloride (NaCl) in 40.0 mL of solution.(molar mass of NaCl = 58.45g/mol)