Find the mass of chlorine that can be obtained by electrolysis of 5.85 g of sodium chloride melt.
| July 25, 2021 | education
According to the chemical reaction equation
2 NaCl = 2 Na + Cl2
from 2 moles of salt (molar mass M = 58.5 g) 1 mol of gaseous chlorine (M = 71 g) will be released.
Since 5.85 / 58.5 = 0.1 mol of NaCl took part in the reaction, two times less chlorine is formed, 0.05 mol.
The chlorine mass will be 0.05 * 71 = 3.55 g.
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