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ChemistryChemistry
18 July, 00:38

A compound composed of only sulfur and aluminum is analyzed. The mass ratio of aluminum to sulfur is found to be 1.00:1.78.

Find the empirical formula of this compound. (Hint: don't forget to find the moles of each first!)

Select one:

a. Al2S3

b. Al2S

c. AIS

d. Al3S2

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Answers (2)
  1. 18 July, 00:50
    0
    a. Al2S3.

    Explanation:

    Molar mass of Al = 26.98

    Molar mass of S = 32.06.

    Ratio of AL:S is 1 : 1.78

    Dividing by the moles we get:

    0.0371 : 0.0555

    = 1 : 1.5

    So its Al2S3.
  2. 18 July, 04:30
    0
    a

    Explanation:

    skd kc
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Home » Chemistry » A compound composed of only sulfur and aluminum is analyzed. The mass ratio of aluminum to sulfur is found to be 1.00:1.78. Find the empirical formula of this compound. (Hint: don't forget to find the moles of each first!) Select one: a. Al2S3 b.
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