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Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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How much energy is made when a pice of wood burns. how do you know
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I need help please chemistry 11th grade
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