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If a sample of LiNO₃ is found to contain 2.03 · 10¹⁸ N atoms how many moles of O atoms are present? Express your answer in scientific notation. If a sample of CO is found to contain 2.78 · 10¹⁸ O atoms how many CO molecules are present? Express your answer in scientific notation. How many C atoms are present in 0.902 g of C₂H₄ molecules? Express your answer in scientific notation.

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Category:- Chemistry
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