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a 9.6L sample of hydrogen

A 0.052g sample of aluminium reacts with excess 6M HCL. A 48.3mL volume of hydrogen gas was collected over water at 22C and the
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2. asked by jeffrisa
3. 893 views
a 2.52-g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield
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2. asked by Grace
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A sample of hydrogen gas (H2) is produced in a laboratory by displacement of water. A 645 mL sample of hydrogen is collected at
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2. asked by Roger
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Rubbing alcohol often contains propanol, C3H7OH. Suppose you have an 85.9 g sample.a) How many carbon atoms are in the sample?
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2. asked by Gale
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the purity of zinc is to be determined by measuring the amount of hydrogen formed when a weighed sample of zinc reacts with an
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2. asked by Andy
3. 1,985 views
You receive two samples of a substance. After testing, itshows that one sample contains 88% oxygen by mass an 12% hydrogen. The
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2. asked by lisa
3. 508 views
You receive two samples of a substance. After testing, itshows that one sample contains 88% oxygen by mass an 12% hydrogen. The
1. 1 answer
2. asked by lisa
3. 554 views
The difference samples A and B of Zinc oxide we're obtained from different sources when heated in a stream of hydrogen they were
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2. asked by samba mambo
3. 1,424 views
A 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of
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2. asked by puraw
3. 497 views
a 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of
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2. asked by jhong
3. 451 views