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Author Question: How many Br atoms are in 2.50 g of Br? (Read 16 times)

Triley39

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on: Nov 5, 2023

Question 1

Formaldehyde has the formula CH2O.  How many molecules are there in 0.11 g of formaldehyde?
◦ 6.1 × 10–27

◦ 3.7 × 10–3

◦ 4.0
◦ 2.2 × 1021

◦ 6.6 × 1022


Question 2

How many Br atoms are in 2.50 g of Br?
◦ 1.88x1022 Br atoms
◦ 1.51 x 1024 Br atoms
◦ 7.54 x 1021 Br atoms
◦ 6.02 x 1023 Br atoms
◦ 9.42 x 1021 Br atoms
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by Triley39 on Nov 5, 2023

Tester

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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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Triley39

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Reply 2 on: Nov 5, 2023
Gracias!

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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