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A helium balloon contains 16.9 L of helium at STP. How many atoms of helium are in the balloon
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A helium balloon contains 16.9 L of helium at STP. How many atoms of helium are in the balloon
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Dec 4, 2020
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A helium balloon contains 16.9 L of helium at STP. How many atoms of helium are in the balloon
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4.54×10^(23) atoms He
Yuming
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Dec 10, 2020
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