The percentage by mass of an element in a compound is calculated by dividing the total mass of the element in one mole of the compound by the molar mass of the compound and multiplying by 100%.
Which of the following hydrocarbon has 80% carbon? (H = 1, C = 12)
Asked in MPSC CS Prelims 2023 · Topic: Hydrocarbons (Alkanes: Preparation, Physical and Chemical Properties)
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