# Chemistry problem: find the volume of HCl obtained by the interaction of 15 liters of chlorine

July 28, 2021 | education

| **Chemistry problem: find the volume of HCl obtained by the interaction of 15 liters of chlorine (gas) with hydrogen (H) Formula H2 + Cl2 = HCl.**

Given:

V (Cl2) = 15 l

To find:

V (HCl) -?

Solution:

1) Write the equation of a chemical reaction:

H2 + Cl2 => 2HCl;

2) Calculate the volume of hydrogen chloride according to the Gay-Lussac law (the law of volumetric ratios):

V (HCl) = V (Cl2) * 2 = 15 * 2 = 30 liters.

Answer: The volume of HCl is 30 liters.

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