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If the percent (mass/mass) for

Is is possible to get 100% on a percent yield?Now, For Cup A I had : Mass of cup water & stirrer: 67.51 mass of sodium
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2. asked by Rose
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I need to find the average molar mass of an unknown element. The atomic mass is 120; the mass numbers of isotopes are 295, 296,
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2. asked by Joe
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I need to find the average molar mass of an unknown element. The atomic mass is 120; the mass numbers of isotopes are 295, 296,
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2. asked by Joe
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Did I do this correctly or do I need to try again?What is the mass percent of a solution when 18.6 g of table salt is added to
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2. asked by Lori
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A 45.10 g sample of ethylene glycol (C2H6O2) is dissolved in 250.0 g of water at 25.0 °C. Determine the molarity (M), mole
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2. asked by nay
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A hospital saline solution is analyzed to confirm its concentration. A 60.0 mL sample with a mass of 50.443 g is evaporated to
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2. asked by Harry
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What is the percent composition (percent by mass) of hydrogen in water? Hint:determine the percent composition (percent by mass)
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2. asked by Tayo
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thank you for any help possible.Given a Mass Percent 13.3% and a Mass Solvent of 325.2 g, find Mass of Solute and Mass of
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2. asked by ben 16
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An unknown compound has a percent composition of 75.95% C, 17.72% N, and 6.33% H by mass with a molar mass of about 240 g/mol.
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2. asked by ezile
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An unknown compound has a percent composition of 75.95% C, 17.72% N, and 6.33% H by mass with a molar mass of about 240 g/mol.
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2. asked by ezile
3. 141 views