Ask Question
3 June, 20:03

If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass? 4.48% MgO 18.3% MgO 22.3% MgO 28.8% MgO

+1
Answers (1)
  1. 3 June, 22:52
    0
    percent by mass = mass (MgO) / mass (solution)

    mass of solution = 45.8 grams (MgO) + 205 grams (H2O) = 250. grams

    mass (MgO) = 45.8 grams

    percent by mass = 45.8 grams / 250. grams = 0.1832 = 18.32%
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass? 4.48% MgO 18.3% MgO ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers