In 200 ml. 50 grams of MgCl2 were dissolved in water. Find the molar concentration of the resulting solution.
| June 10, 2021 | education
After the complete dissolution of magnesium chloride in water, the mass of the solution will be equal.
m (solution) = m (H2O) + m (salt) = 200 g + 50 g = 250 g.
Mass fraction of magnesium salt in the resulting solution is.
W (salt) = m (salt) / m (solution) • 100% = 50 g / 250 g • 100% = 20%.
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