There are ___ atoms of oxygen in 300 molecules of CH3CO2H a) 300 b) 600 c) 150 d) 3.6 x 10^36

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There are ___ atoms of oxygen in 300 molecules of CH3CO2H a) 300 b) 600 c) 150 d) 3.6 x 10^36

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RobertKer 6 days 2021-07-22T21:23:08+00:00 1 Answers 4 views 0

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    2021-07-22T21:24:56+00:00

    Answer: The correct option is b) 600

    Explanation:

    Molecules are formed when two atoms of same or different elements combine together.

    Atoms are the smallest unit of matter that combines to form a compound.

    For the given chemical compound, CH_3CO_2H

    Given number of molecules = 300 molecules

    In 1 mole of the given chemical compound, there are 2 atoms of carbon, 4 atoms of hydrogen and 2 atoms of oxygen

    Number of atoms of oxygen = 2\times \text{Number of molecules of compound}

    Number of atoms of oxygen = 2\times 300=600atoms

    Hence, the correct option is b) 600

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )