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Author Question: A 16.0 g sample of iron has a volume of 2.035 cm3. What is its density expressed to the correct ... (Read 109 times)

fahad

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on: Jul 8, 2021

Question 1

A 15.0 g sample of hydrated copper sulfate was heated to dryness and the new mass measured to be 9.59 g. Calculate the percentage of water in the hydrated crystal. Express your answer to the correct number of significant digits.
◦ 36.1%
◦ 36%
◦ 63.3%
◦ 63%
◦ 45%

Question 2

A 16.0 g sample of iron has a volume of 2.035 cm3. What is its density expressed to the correct number of significant figures?
◦ 0.127 g/cm3
◦ 32.6 g/cm3
◦ 7.86 g/cm3
◦ 7.862 g/cm3
◦ 7.9 g/cm3
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by fahad on Jul 8, 2021

lorealeza77

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Reply #1 on: Jul 8, 2021
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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fahad

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Reply 2 on: Jul 8, 2021
Gracias!

mcabuhat

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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