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Chemistry worksheet for calculating the percent composition of elements in various chemical compounds.

Worksheet titled "Calculating Percent Composition" with instructions to determine the percent of each element in given chemical formulas.

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1. NaCl:
a. % of Na 39.34%
b. % of Cl 60.66%

2. Ca₃N₂:
a. % of Ca 81.07%
b. % of N 18.93%

3. Fe₂(SO₄)₃:
a. % of Fe 27.93%
b. % of S 24.06%
c. % of O 48.01%

4. K₂Cr₂O₇:
a. % of K 26.58%
b. % of Cr 35.35%
c. % of O 38.07%

5. Mn₃P₇:
a. % of Mn 48.52%
b. % of P 51.48%

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