abbienk
contestada

How many atoms are here in the following?

a. 3N2
b. 2H2O
c. 4HNO3
d. 2Ca(OH)2
e. 3Ba(ClO3)2
f. 5Fe(NO3)2
g. 4Mg3(PO4)2
h. 2(NH4)2SO4
i. 6Al2(SeO4)3
j. 4C3H8

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