Answer :
Answer:
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.
[tex]Al_2S_3[/tex] is the empirical formula of this compound. Hence, option A is correct.
What is an empirical formula?
The empirical formula is the chemical formula of a compound that gives the proportions (ratios) of the elements present in the compound but not the actual numbers or arrangement of atoms.
The molar mass of Al = 26.98
The molar mass of S = 32.06.
The ratio of AL:S is 1: 1.78
Dividing by the moles we get:
0.0371: 0.0555
= 1 : 1.5
Hence, [tex]Al_2S_3[/tex] this is the empirical formula of this compound.
Learn more about the empirical formula here:
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