The density of a solution of 3.69g NaCl in 21.70g h2o is 1.11g/mL.?
Calculate the molarity of NaCl in the solution
a) 2.02
b) 2.24
c) 1.90
d) 3.04
e) 2.76
f) 3.17
total mass = 25.39 g
V = 25.39/ 1.11 = 22.9 mL
moles NaCl = 3.69/ 58.44 =0.0631
M = 0.0631/ 0.0229 L=2.76
My 70g Shallow reef 2-24-2011
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