Step 1 Assuming 100 g, V is 76 g and O is 24 g
= 1.49 mol V
= 1.5 mol O
Step 2 Divide each mol by the least moles
= 1 V
= 1 O
Vanadium forms four different oxides in which the percent by mass of vanadium is respectively 76 % , 68 % , 61 % , and 56 % .
Find the formula of the first oxide.
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