Multiple Choice
The mineral orpiment, having the empirical formula As2S3, was used in ancient times as a cosmetic. What mass of arsenic is present in 5.0 g of orpiment [Given: naturally occurring arsenic is all arsenic-75; assume that all naturally occurring sulfur is sulfur-32 (only approximately true) ]
A) 0.61 g
B) 3.0 g
C) 1.5 g
D) 2.0 g
E) 3.5 g
Correct Answer:

Verified
Correct Answer:
Verified
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