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a weather balloon designed to lift 1000 g is filled with 941.6 grams of helium (he). how many grams of hydrogen (h2), at the same pressure and temperature, would be required to fill the balloon to the same volume? report your answer to one decimal place and do not include units.

User Logan Guo
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The correct answer is: To fill the balloon to the same volume, 188.3 grams of hydrogen (H2) would be required.
User Richard Lovell
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