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Author Question: Naphthalene, commonly found in mothballs, is 93.75% carbon and 6.25% hydrogen by mass. If ... (Read 54 times)

@Brianna17

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on: Jul 8, 2021

Question 1

Methane and oxygen react to form carbon dioxide and water. What mass of water is formed if 1.6 g of methane reacts with 6.4 g of oxygen to produce 4.4 g of carbon dioxide?
◦ 3.6 g
◦ 4.4 g
◦ 7.4 g
◦ 8.0 g
◦ 2.7 g

Question 2

Naphthalene, commonly found in mothballs, is 93.75% carbon and 6.25% hydrogen by mass. If naphthalene's molecular formula is twice its empirical formula, what would its molecular mass be?
◦ 64 u
◦ 96 u
◦ 128 u
◦ 192 u
◦ 160 u
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by @Brianna17 on Jul 8, 2021

otokexnaru

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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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@Brianna17

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Reply 2 on: Jul 8, 2021
YES! Correct, THANKS for helping me on my review

softEldritch

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Reply 3 on: Yesterday
Wow, this really help

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