posted by krystal .
Calculate the molarity of each.
a. 1.50 mole of NaCl in 8.00 L of solution
0.188 M NaCl
b. 270 mg of NaCl in 3.00 mL of solution
90 M NaCl
I agee with a but not b.
270 mg = 0.270g
mols = 0.270/58.44 = about 0.005
M = moles/L = about 0.005/0.003 = ?