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Answer to Question #4789 in Other Chemistry for Khatlyn

Question #4789
How many grams of zinc metal must be dissolved in sulfuric acid in order to obtain 500 cubic centimeters of hydrogen at 20 degrees Celsius and 770 torr? Zn(s) + H2SO4 = ZnSO4 + H2(g
Expert's answer
<img src="data:image/png;base64,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" alt="">
t = 20ºC
P = 770 torr
m - ?

Zn(s) + H2SO4 = ZnSO4 + H2

t = 20 ºC = 273+20 = 293K
P = 770 torr = 102641 Pa
<img src="data:image/png;base64,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" alt="">
<img src="data:image/png;base64,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" alt="">
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m(Zn) = 1,635g

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