How much sulfite acid can be obtained as a result of the interaction of sulfur oxide (4) with water weighing 72 g?
March 24, 2021 | education
| Let’s write down given:
m (H2O) = 72 g
+ SO 2
m (H2SO3) -?
Decision:
We write the equation for the reaction of the interaction of sulfur (VI) oxide with water, with the formation of sulfurous acid:
SO 2 + H2O = H2SO3
1 mol 1 mol
M (H2O) = 1 * 2 + 16 * 1
M (H2O) = 18 g / mol
M (H2SO3) = 1 * 2 + 32 * 1 + 16 * 3
M (H2SO3) = 82 g / mol
Let’s compose the ratio:
From the reaction equation we see that from 18 g (H2O) 82 g (H2SO3) are formed,
Then from 72 g (H2O) x g (H2SO3) is formed, hence
X = 72g * 82g / 18g
X = 328 g (H2SO3)
Answer: from 72 g of water, 328 g of sulfurous acid is formed.
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