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Author Question: How many moles and how many atoms of zinc are in a sample weighing 34.9 g? (Read 72 times)

sheilaspns

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on: Feb 15, 2020

Question 1

What is the mass of one atom of the element hydrogen?
◦ 3.4 × 10-24 g
◦ 1.0 g
◦ 2.0 g
◦ 1.7 × 10-24 g

Question 2

How many moles and how many atoms of zinc are in a sample weighing 34.9 g?
◦ 0.533 mol, 8.85 × 10-25 atoms
◦ 1.87 mol, 1.13 × 1024 atoms
◦ 0.533 mol, 3.21 × 1023 atoms
◦ 1.87 mol, 3.10 × 10-24 atoms
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by sheilaspns on Feb 15, 2020

coyin

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Reply #1 on: Feb 15, 2020
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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sheilaspns

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Reply 2 on: Feb 15, 2020
:D TYSM

peter

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Reply 3 on: Yesterday
Excellent

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