0
If 3.50 of the unknown compound contained 0.117 of C and 0.233 of H how many moles of oxygen were in the sample?
Wiki User
∙ 14y ago
There should be about 0.117 moles of oxygen in the original sample.
Is this for the mastering chemistry online quiz? for universiy?
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What A 70.00-g sample of an unknown compound contains 16.20 g of sulfur what is the percentage by mass of sulfur in the compound?
The percentage is 23,14 %.
A 76.00 g sample of unknown compound contains 12.90g of sulfur. what is the percentage by mass of sulfur in the compound?
it would be 16.97%
A Sample of a compound contains 64 g of copper and 16 g of oxygen what is the ratio of mass to copper of oxygen?
?
A 10g sample of the compound copper oxide contains 2.0 g of oxygenWhat mass of oxygen would a 30 g sample of the same compound contain?
it has 6 gram of copper
How many moles of sulfur are contained in a sample of CuSO4 that also contains 3.50 x 1023 oxygen atoms?
1
How do you work out the number of moles of unknown compound if you are only given the molar mass?
The molar mass of any compound contain a number of molecules equal to the number of Avogadro:6,022 140 857(74).10e+23.
What metal ion would you predict to be contained in sample of unknown 1?
Strontium and copper nitrate
What A 70.00-g sample of an unknown compound contains 16.20 g of sulfur what is the percentage by mass of sulfur in the compound?
The percentage is 23,14 %.
A 76.00 g sample of unknown compound contains 12.90g of sulfur. what is the percentage by mass of sulfur in the compound?
it would be 16.97%
How do you distinguish between nitrogen oxide and oxygen using a chemical test?
Use a sample of pyrogallol (C6H6O6) in the sample followed by a combustion reaction. This compound absorbs oxygen present.
A Sample of a compound contains 64 g of copper and 16 g of oxygen what is the ratio of mass to copper of oxygen?
?
A 10g sample of the compound copper oxide contains 2.0 g of oxygenWhat mass of oxygen would a 30 g sample of the same compound contain?
it has 6 gram of copper
Is carbon monoxide an element or a compound mixture?
Pure carbon monoxide is a compound, containing equal numbers of carbon and oxygen atoms in any sample of the compound.
How many moles of sulfur are contained in a sample of CuSO4 that also contains 3.50 x 1023 oxygen atoms?
1
A sample of a compound contain 1.52 g of Nitrogen and 3.47 g of Oxygen. The molar mass of this compound is between 90 grams and 95 grams. Determine molecular formula and the accurate molar mass.?
A sample of a compound contain 1.52 g of Nitrogen and 3.47 g of Oxygen. The molar mass of this compound is between 90 grams and 95 grams. The molecular formula and the accurate molar mass would be N14O35.
If 230 g sample of a compound contains 136.6 g of carbon 26.4 g of hydrogen and 31.8 g of nitrogen The rest is oxygen What is the mass percent of oxygen in the compound?
The mass of the elements that are not oxygen equals 194.8g. The mass of oxygen is 230g - 194.8g = 35.2g of oxygen. Mass percent of oxygen = 35.2g O/230g x 100 = 15% O
What is a flame tested used for?
To identify an unknown sample by its emission spectrum
