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a sample of compound C,H,N and O with a mass of 0.6216 was found to contain 0.1735g C,0.01455g H,0.2024g N.Its molecular mass
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2. asked by bliss
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Calculate the mass in grams of hydrgen chloride produced when 5.85 L of molecular hydrogen measured at STP reacts with an excess
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2. asked by Anonymous
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Compound K is a hydrocarbon. Combustion of 6.51 g of K gave 20.47 g of carbon dioxide and 8.36 g of water. The relative
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2. asked by Anonymous
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A molecular compound is composed of 58.8% Xe, 7.2% O, and 34.0% F, by mass. If the molecular weight is 223 g/mol, what is the
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2. asked by chemistry
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If hydrogen diffuse 6 times as fast a gas Z at the same temperature and pressure, calculate the relative molecular mass of Z.
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2. asked by Chukwudi Michael
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I have to find the molecular formula for As2O3, to do so I have to divide its molecular mass by its empirical mass. I have
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2. asked by Mac
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calculate the mass in grams of hydrogen chloride produced when 5.25 L of a molecular hydrogen measured at STP reacts with an
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2. asked by jane
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The persentage composition of acitic acid is found to be 3.99%C of 6.7%H and 53.4%O and it molecular mass was determined by
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2. asked by Brkti
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An organic compound on analysis yielded 2.04g carbon 0.34g hydrogen and 2.73g oxygen calculate its molecular formula if the
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7.25 g of iron were reacted with sulfur until the product reached a constant mass of 13.50 g. If the experimental molecular mass
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2. asked by joan
3. 491 views