1. How many atoms are in 3 molmol of atoms? Express your answer using four significant figures.
2.How many molecules are in 6 mol of molecules?
Express your answer using four significant figures.
3. Calculate the mass in grams of each sample.
A. 7.02×1020H2O molecules
Express your answer using three significant figures.
B.2.7×1022SO2 molecules
Express your answer using two significant figures.
C.5.9×1025O3 molecules
Express your answer using two significant figures.
D. 9.38×1019CH4 molecules
Express your answer using three significant figures.
4. How many atoms are in each elemental sample?
A.2.7 mol Cu
B. 29.1 mol Hg
Express your answer using three significant figures.
Express your answer using two significant figures.
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