Mass (Volume) Calculation I cannot seem to get right! (1 Viewer)

OToole

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1.3 Grams of Zinc react with excess hydrochloric acid at SLC (in which one mole of gas 24.5 L). What volume of Hydrogen gas forms?

The answer is 0.487L but I keep getting half that.
 
P

pLuvia

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Nope I got 0.487L did you get the equation right?

2Zn(s) + 4HCl(aq) ---> 2ZnCl2(aq) + 2H2(g)

Since the charge of Zn2+ and Cl-
 

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pLuvia said:
Nope I got 0.487L did you get the equation right?

2Zn(s) + 4HCl(aq) ---> 2ZnCl2(aq) + 2H2(g)

Since the charge of Zn2+ and Cl-

With a balanced equation the numbers should be in lowest common multiples.

The answer is correct though, the working's attached.
Handy dandy cybershot =)
 

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