Chemistry, 22.04.2020 09:04 elleinad5656
Bicarbonate of soda (sodium hydrogen carbonate) is used in many commercial preparations. Its formula is NaHCO3. Find the mass percentages (mass %) of Na, H, C, and O in sodium hydrogen carbonate. You may use whole numbers for the masses. Please round percentages to the nearest tenth.
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What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?
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An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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Bicarbonate of soda (sodium hydrogen carbonate) is used in many commercial preparations. Its formula...
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