Asked by Anonymous

How many atoms of each element are represented in the following:
A.) 3NaCl
B.) H2SO4
C.) 4H2SO4
Answered by DrBob222
Subscripts multiply the atom for which it's a subscript.
Coefficients multiply everything that follows.
3NaCl. 3Na and 3Cl
H2SO4 2H 1S 4O
4H2SO4 8H, 4S, 16O
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