Which of the following represents formula of substance, which contains $50 %$ $O_{2}$ by mass?

H_{2} O

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N O_{2}

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C H_{3} O H

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C O_{2}

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Solution

The correct option is B $C H_{3} O H$
Consider $C H_{3} O H$ Molar mass= $12 + 4 + 16 = 32 g$
% of Oxygen= $\frac{16}{32} \times 100 = 50$ %

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Similar questions

Q. Which of the following represents the formula of a substance which contains 50% oxygen ?

Balance the following equation by short-cut method and write the coefficient for $O_{2}$
$C_{5} H_{11} N H_{2} + O_{2} \to C O_{2} + H_{2} O + N O_{2}$ ___

Q. C5H11NH2 + O2 -> CO2 + H2O + NO2 ,balance the equation and write the coefficient of O2

Q. Balance the following equations:

M n O_{2} + H C l \to M n C l_{2} + C l_{2} + H_{2} O

N H_{4} C l + C a (O H)_{2} \to N H_{3} + C a C l_{2} + H_{2} O

B a C l_{2} + A l_{2} (S O_{4})_{3} \to B a S O_{4} + A l C l_{3}

N a A l O_{2} + H_{2} O + C O_{2} \to A l H_{3} + N a_{2} C O_{3}

N H_{3} + O_{2} \to N O + H_{2} O

Z n + H N O_{3} \to Z n (N O_{3})_{2} + N O_{2} + H_{2} O

H_{2} S + O_{2} \to H_{2} O + S O_{2}

P b O + C \to P b + C O_{2}

B a C l_{2} + H_{2} S O_{4} \to B a S O_{4} + H C l

C H_{4} + O_{2} \to C O_{2} + H_{2} O

How Many number of oxygen present in following equation?and also balance the following equation.

C5H11NH2+O2 gives CO2+H2O+NO2

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Which of the following represents formula of substance, which contains 50% O2 by mass?

The correct option is B CH3OHConsider CH3OH Molar mass= 12+4+16=32g% of Oxygen= 1632×100=50%

Which of the following represents formula of substance, which contains $50 %$ $O_{2}$ by mass?

The correct option is B $C H_{3} O H$
Consider $C H_{3} O H$ Molar mass= $12 + 4 + 16 = 32 g$
% of Oxygen= $\frac{16}{32} \times 100 = 50$ %