Math Grade 6 Ratios, Rates, & Percents - Model Curriculum Unit

4. Calculate the percentage of nitrogen (by mass) in ammonium nitride. 5. Calculate the number of GRAMS of magnesium in 50.0 g of magnesium sulfide. Use percentage composition AND gravimetric factor!! 6. Calculate the number of grams of iron in 80.0 mg of ferrous carbonate. Use percentage composition AND gravimetric factor!! 7. ................
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