What is the mass in grams of 2.01 x 10 22 atoms of sulfur? Strategy Plan STEP

What is the mass in grams of 2.01 x 10²² atoms of sulfur?

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Strategy Plan STEP 1: What unit is asked for in the answer? STEP 2: What given value is related to the answer? STEP 3: What unit factor(s) should we apply? By definition, 1 mol S = 6.02 x 1023 atoms S, and the molar mass from the periodic table is 32.07 g S = 1 mol S; the two pairs of unit factors are shown in Step 3. Unit Analysis Map given value 2.01 x 1022 atoms S X Step 1: Step 2: Step 3: unit factor 1 1 mol S 6.02 x 1023 atoms S 1 mol S 6.02 x 1023 atoms S X 2.01 x 1022 atoms S 1 mol S 32.07 g S gS unit factor 2 32.07 g S 1 mol S or or 6.02 x 1023 atoms S 1 mol S 32.07 g S 1 mol S unit in answer ?gs =