Problem: 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.

FREE Expert Solution

Step 1 Assuming 100 g, V is 76 g and O is 24 g


76 g V ×1 mol V50.94 g V = 1.49 mol V

24 g O ×1 mol O16 g O = 1.5 mol O


Step 2 Divide each mol by the least moles


1.49 mol V1.46 mol = 1 V

1.5 mol O1.49 mol = 1 O


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Problem Details

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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