Posted by Slaysliver on Thursday, January 22, 2009 at 5:01pm.
2 g CaCl2 is how many moles?
2 g/molar mass CaCl2 = ?? moles.
M = moles/L = ??moles/0.100 L (that's the 100 mL).
M Cl^- is twice that of the CaCl2 since there are two moles Cl^- per mole CaCl2.
Post your work if you need further assistance.
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