christopherposadas20
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I 3. How many moles of H, gas are made when 3.2 x 1023 molecules of HCl are used? 2A1 + 6HCI ----> 2AlCl3 + 3H2​

Sagot :

Answer:

0.265 moles

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

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