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United StatesChemistryQuick questions

Unit 1: Atomic Structure and Properties

Quick questions on Elemental composition of pure substances - AP Chemistry Unit 1

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Calculate the percent by mass of nitrogen in ammonium nitrate, NH4NO3\text{NH}_4\text{NO}_3. [2 points]
What is q2?
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A compound's empirical formula is CH\text{CH} and its molar mass is 7878 g/mol. Determine the molecular formula. [1 point]

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