Chemistry, 27.08.2021 18:20 guzmangisselle

A substance was analysed and found to contain 26.57 % potassium, 35.36% chromium, and 38.07 % oxygen by mass.
What is the empirical formula of the substance?

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question
O a. K2Cr205
O b. K2Cr207
O c. KCr2O7
O d. K_Cro

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A substance was analysed and found to contain 26.57 % potassium, 35.36% chromium, and 38.07 % oxyg...