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What is the mass in kilograms of a sample containing 2.4 x 1024 atoms of this element? Do not use scientific notation.
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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What is the mass in kilograms of a sample containing 2.4 x 1024 atoms of this element? Do not use sc...
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