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Author Question: How many grams of zinc metal are required to produce 2.00 L of hydrogen gas at STP according to the ... (Read 207 times)

Zulu123

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on: Nov 18, 2019

Question 1

When 14.0 g of zinc metal reacts with excess HCl, how many litres of H2 gas are produced at STP?



◦ 0.208 L
◦ 0.416 L
◦ 9.60 L
◦ 4.86 L

Question 2

How many grams of zinc metal are required to produce 2.00 L of hydrogen gas at STP according to the chemical equation shown below?

Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)

◦ 0.171 g
◦ 131 g
◦ 5.76 g
◦ 11.7 g
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Marked as best answer by Zulu123 on Nov 18, 2019

Kingjoffery

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Reply #1 on: Nov 18, 2019
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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Zulu123

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Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review

mohan

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Reply 3 on: Yesterday
Excellent

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