Molar Mass of Compounds with keyanswers

1.   Determine the mass (in grams) of KCl required to prepare a 1.00 M solution in a 100 mL volumetric flask. What about a 2.00 M solution in 100 mL? (5 marks)

2.   Find the mass (in grams) of NaCl required to make 50 mL of a 0.10 M solution. Will this amount of NaCl dissolve in water? How do you know (look this information up)?(5 marks)

3.   Determine the mass (in grams) required to make 250 mL of a 0.0500 M solution of FeCl3. What about 125 mL of a 0.100 M solution. (5 marks)

4.   Determine the mass (in grams) required to make 100 mL of a 0.15 M NaNO3 solution. What about a 0.15 M solution in 125 ml?(5 marks)
5.   How many moles of HCl are there in a 500 mL sample of 1.2 M HCl? Convert this value to grams.(5 marks)