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8 April, 04:03

What is the mass of sodium (Na) in 50 grams of table salt (NaCl) ? Show your work.

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  1. 8 April, 04:32
    0
    19 g

    Explanation:

    Data Given:

    Sodium Chloride (table salt) = 50 g

    Amount of sodium (Na) = ?

    Solution:

    Molecular weight calculation:

    NaCl = 23 + 35.5

    NaCl = 58.5 g/mol

    Mass contributed by Sodium = 23 g

    calculate the mole percent composition of sodium (Na) in sodium Chloride.

    Since the percentage of compound is 100

    So,

    Percent of sodium (Na) = 23 / 58.5 x 100

    Percent of sodium (Na) = 39.3 %

    It means that for ever gram of sodium chloride there is 0.393 g of Na is present.

    So,

    for the 50 grams of table salt (NaCl) the mass of Na will be

    mass of sodium (Na) = 0.393 x 50 g

    mass of sodium (Na) = 19 g
  2. 8 April, 07:18
    0
    1.20 on Plato
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