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Author Question: The mineral orpiment, having the empirical formula As2S3, was used in ancient times as a cosmetic. ... (Read 25 times)

nanna

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on: Nov 5, 2023
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)]
◦ 0.61 g
◦ 3.0 g
◦ 1.5 g
◦ 2.0 g
◦ 3.5 g
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Marked as best answer by nanna on Nov 5, 2023

sadoniam

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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nanna

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Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it

sailorcrescent

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Reply 3 on: Yesterday
Gracias!

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