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

Yair Wilkinson

21 November, 04:43

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

+5

Answers (2)

Know the Answer?

Ashlyn Huynh · Answer 1

a

Explanation:

skd kc

Ingrid Owens · Answer 2

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.

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