39. Determine the number of moles of compound in
each of the following samples. (Hint: See Sample
Problem 1-13).
a. 4.50 g H2O
b. 471.6 g Ba(OH)2
C. 129.68 g Fe3(PO4)2
40. Determine the percentage composition of each
of the following compounds. (Hint: See Sample
Problem 1-14).
b. AgNO3
.c. Mg(OH)2
a. NaCl
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39. Determine the number of moles of compound in
each of the following samples. (Hint: See Sample
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