5. a 25.0 gram sample of a compound contains 6.64 grams of potassium (k, at. wt. = 39.1), 8.84
...
Chemistry, 20.11.2019 06:31 usagimiller
5. a 25.0 gram sample of a compound contains 6.64 grams of potassium (k, at. wt. = 39.1), 8.84
grams of chromium (cr, at. wt. = 52.0), and 9.52 grams of oxygen (0, at. wt. = 16.0). find the empirical
formula of this compound.
a. k3cr03
ki cr 2 02
b. k2cro4
c. k2cr207
d. k7cr202
e. kcr04
Answers: 3
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