Use mathematics to prove that the 5.50 grams of salicylic acid (C7H6O3) used in this experiment is equal to 0.04 mol.

Question

Use mathematics to prove that the 5.50 grams of salicylic acid (C7H6O3) used in this experiment is equal to 0.04 mol.

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Ngọc Hoa 2 months 2021-07-23T13:27:01+00:00 1 Answers 3 views 0

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    2021-07-23T13:28:01+00:00

    Answer:

    Please find the answer to the question below

    Explanation:

    In chemistry, the following mathematical formula is used to calculate the number of moles contained by a substance:

    mole = mass of substance (g)/molar mass of substance (g/mol)

    Molar mass of salicylic acid (C7H6O3) = 12(7) + 1(6) + 16(3)

    = 84 + 6 + 48

    = 138g/mol

    Mass = 5.50grams

    mole = 5.5/138

    mole = 0.039

    Approximately, the number of moles of 5.5grams of salicylic acid is 0.04moles. This is in accordance with the mole value (0.04) given in this question.

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