How does convection occur in the troposphere?
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The percent of O in Cr₂O₃ : 31.58%
<h3>Further explanation</h3>Given
Cr = 52.00 amu, O = 16.00 amu
Required
The percent of O
Solution
MW Cr₂O₃ = 2 x Ar Cr + 3 x Ar O
MW Cr₂O₃ = 2.52+3.16
MW Cr₂O₃ =152 amu