Question

How many liters of H2 gas can be produced at 0°C and 1.00 atm (STP) from 12.5 g of Zn? 2HCl(aq)+Zn(s)+H2(g)+ZnCl, (aq)

Answer 1

Answer:

mols Zn = grams/atomic mass = ?

Using the coefficients in the balanced equation, convert mols Zn to mols H2.

Then convert mols H2 to L using mols H2 x 22.4 L/mol = L.

Explanation:

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