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What is the percent composition by mass of nitrogen in the compound n2h4

User Jovany
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1 Answer

4 votes

Answer:

77.79% nitrogen by mass

Step-by-step explanation:

1 mole of nitrogen: 14.0067 grams

1 mole of hydrogen: 2 grams

2 moles of nitrogen + 4 moles of hydrogen

28.0134g + 8g = 36.0134g total weight

28.0134 / 36.0134 = 77.79%

User Micheal Wells
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