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Author Question: Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of Mg with ... (Read 39 times)

gbarreiro

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on: Feb 15, 2020

Question 1

A sample of pure calcium fluoride with a mass of 15.0 g contains 7.70 g of calcium. How much calcium is contained in 35.0 g of calcium fluoride?
◦ 15.0 g
◦ 1.99 g
◦ 7.70 g
◦ 18.0 g

Question 2

Mg can react with HCl to produce the white solid MgCl2 and H2 gas.  A student mixes 1.99 g of Mg with 5.98 g of HCl.  If the mass of the white solid is 7.79 g, then what is the mass of H2 produced?
◦ 2.0 g
◦ 15.76 g
◦ 0.0 g
◦ 0.18 g
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by gbarreiro on Feb 15, 2020

fwbard

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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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gbarreiro

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Reply 2 on: Feb 15, 2020
YES! Correct, THANKS for helping me on my review

parshano

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Reply 3 on: Yesterday
Gracias!

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