A 65.0-mL aqueous solution contains 7.54 g of copper (II) chloride, CuCl2. Calculate the molarity of the solution. {Ans. ~ [CuCl
2] = 0.862 M} Write the set up of the calculation that leads to the answer.
1 answer:
The first thing we need to remember is that:
We have 7.54g of CuCl2 so we need to express this amount in moles dividing by the molar mass of CuCl2.
This is:
And, also remember that 65.0mL equals 0.065L.
Now, replacing in the molarity equation:
Thus the answer is 0.862M.
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