chemistry

If 2.1 moles of CaCl2 are dissolved in enough water to make a 0.92-liter solution, what is the resulting molarity?

0.44 M CaCl2

0.70 M CaCl2

2.3 M CaCl2

3.0 M CaCl2

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asked by smith
  1. The definition is M = moles/L. Punch into the calculator and go. Remember to round to two significant figures.

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    posted by DrBob222
  2. 0.70

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  3. molarity ,=no of mole of solute/volume in liter
    2.1/0.92=2.28mole/l

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