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June 21, 2024

1. How many atoms are in 3 mol𝑚𝑜𝑙 of atoms? Express your answer using four significant figures.

General Question

1. How many atoms are in 3 mol of atoms? Express your answer using four significant figures.

2.How many molecules are in 6 m 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. 9.38×10¹⁹CH molecules

Express your answer using three significant figures.

4. How many atoms are in each elemental sample?

A.2.7 mol

29.1 mol Hg

Express your answer using three significant figures.

Express your answer using two significant figures.

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