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How many moles can be found in 3.87*10^24 formula units of calcium chloride?

Sagot :

Answer:

6.4286 Mol of Calcium Chloride

Explanation:

3.87x10^24         1 mol

----------------  x   ----------------   = .64286 x 10 = 6.4286 Mol

       1               6.02 x 10^23

The molecules formula is 6.02 x 10^23

divide 3.87 to 6.02 and subtract the amount of exponents againts each other in the 10^24

24 - 23 = 1 (no exponent)