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26 November, 19:51

According to the law of conservation of mass, if an element A has an atomic mass of 2 mass units and element B has an atomic mass of 3 mass units, what mass would be expected for compound AB? for compound A2B3?

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  1. 26 November, 21:13
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    The Law of Conservation of Mass states that matter can neither be created nor destroyed in a chemical reaction.

    element A has an atomic mass of 2

    element B has an atomic mass of 3

    A + B = AB

    weight = 2 + 3 = 5

    A*2 + B*3 = A2B3, = 2*2 + 3*3 = 13.
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