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elenagarcia123
23.08.2021 •
Chemistry
Calculate the empirical formula of a compound that has a composition of 5.9% (by mass) hydrogen and 94.1% (by mass) oxygen.
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Ответ:
Oxygen O at 94.1% and H at 5.9%
Assume 100grams.
94% = 0.941 x 100gm. = 94.1 gm x 1mole/16gm. = 5.88 moles of O
5.9% = 0.059 x 100gm. = 5.9gm. X 1moleH/1.002gm. = 5.88 moles of H
Ответ:
$11.00
Because .70 + .10 = .80
.80 times 55 = 44
55 - 44 = 11
If you add tax however, it would be 11.66.
Because 11 times .06 = .66
.66 + 11 = 11.66
Step-by-step explanation:
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