mehleah1300 mehleah1300

26-08-2022
Chemistry

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What is the percent of O in
Cr203?
(Cr = 52.00 amu, O = 16.00 amu)
[?]%

What is the percent of O in Cr203 Cr 5200 amu O 1600 amu class=

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jesutofunmikomolafe jesutofunmikomolafe

26-08-2022

Answer:

31.6%

Explanation:

find the molecular formular

(52×2)+(16×3)=152

since the %of oxygen is required

MF of o in Cr2O3 =16×3=48

%O= 48/152×100= 31.6%

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