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

Question

Chemistry

Evelin Stevens

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

+4

Answers (2)

Know the Answer?

Hailey Solomon · Answer 1

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.

Johanna Mcknight · Answer 2

a

Explanation:

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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. Al2S3b. Al2Sc. AISd. Al3S2

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