An unknown compound consists of 42.87% C, 9.59% H, and 47.54% Br, has a molecular mass 336.19. Find the molecular formula for the compound. OC12H32B12 O C6H16Br OCHgBr C16H16Br3

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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An unknown compound consists of 42.87% C, 9.59% H, and 47.54% Br, has a molecular mass 336.19. Find the molecular formula for the compound.
ⒸC12H32Br2
O C6H16Br
O C6HgBr
OC16H16Br3
Transcribed Image Text:Question 4 An unknown compound consists of 42.87% C, 9.59% H, and 47.54% Br, has a molecular mass 336.19. Find the molecular formula for the compound. ⒸC12H32Br2 O C6H16Br O C6HgBr OC16H16Br3
How many oxygen atoms are there in 6.00 g of sodium dichromate, Na2Cr207?
O 0.160 oxygen atoms
9.65 x 1022 oxygen atoms
21
1.97 x 10 oxygen atoms
22
1.37 x 10 oxygen atoms
Transcribed Image Text:How many oxygen atoms are there in 6.00 g of sodium dichromate, Na2Cr207? O 0.160 oxygen atoms 9.65 x 1022 oxygen atoms 21 1.97 x 10 oxygen atoms 22 1.37 x 10 oxygen atoms
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