What is the molarity of a solution containing 17.2 g of kcl in 294 ml of solution

To calculate molarity: M=mol
                                        -----
                                        Liters of solution

We may not have moles but, we can calculate by converting grams to moles by dividing by the GFM of KCl (74 g/mol):

17.2g
--------= .232 mol
74g/mol

Now, we must convert 294 mL to liters which is, .294 liters.

We are now able to apply the molarity calculation:

M=mol
     -----
      L
M=.232mol
      ----------= .789 M (answer is left in sig figs**)
      .294 liters

The correct answer is:   bri hope this answer was ! : )

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