a)
19.7g CaCl2/111 = 0.177 moles
0.177 mol/0.200L = ?
b)
19.75g/200 mL = how much per 100, so 1/2 x 19.76 = ?
c) etc
If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following?
a. molarity
100 M CaCl2
b. weight/volume percent
0.1 % (w/v)
c. parts per thousand
100 ppt
d. parts per million
10E4 ppm
e. parts per billion
10E7 ppb
1 answer