Answer:
0.265 moles
Step-by-step explanation:
From the equation given;
Number of moles of HCl is 6 while number of moles of H is 3.
Now, we know from avogadro's number that 1 mole of a gas = 6.022 × 10^(23) molecules.
We want to find the number of moles of Hydrogen gas made when 3.2 x 10^(23) molecules of HCl are used.
Thus, converting this to moles gives;
(3.2 × 10^(23))/(6.022 × 10^(23)) = 0.53 moles
Thus, we can find the number of hydrogen gas by proportion as;
n = 3/6 × 0.53
n = 0.265 moles