Chemistry

posted by .

What is the mass percentage of 55.0 g of KCl in 125 g of water?

  • Chemistry -

    Apply the definition; it hasn't changed since I worked the last problem for you.
    Remember, it's
    (mass solute/100 g solution)*100 =
    (55 g/55 g + 125 g)*100 = ??

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. AP Chemistry

    To prepare 1.000 kg of 5.5 percent by mass KCl (aq), one may dissolve a. 994.5 g KCl in 5.5 g of water b. 5.5 g KCl in 994.5 g of water c. 5.5 g KCl in 1000.0 g of water d. 55 g KCl in 945 g of water e. 55.0 g KCl in 1000.0 g of water
  2. chemistry

    What is the percent by mass concentration of KCl in a solution prepared by adding 80.0 g KCl to 200.0 g of water?
  3. Chemistry

    A 1.85-g sample of a mixture of KCl and MgCl(subscript 2) is treated with excess AgNO(subscript 3) (aq). If 3.82 grams of AgCl(s) are obtained, then what is the percentage by mass of KCl in the original mixture. Can someone tell me …
  4. chemistry is this answer right

    115 grams of KCl is dissolved in 750 ml of water. what are the molality, molarity, mole percent, % mass, ppm by mass. what would the freezing point and boiling point of that solution assuming Kf of water is 1.86 degree celsius/m and …
  5. Chemistry

    Which of the following is more concentrated?
  6. chemistry

    KCl(s) → K+(aq) + Cl‾ (aq) Solid KCl dissolves as shown in the above equation. A 6.60 g sample of KCl was dissolved in 42.3 g of water. The initial temperature of the water was 21.90°C. After the compound dissolved, the …
  7. Chemistry

    You are given 2.677 g of a mixture of KClO3 and KCl. When heated, the KClO3 decomposes to KCl and O2, 2 KClO3 (s) → 2 KCl (s) + 3 O2 (g), and 605 mL of O2 is collected over water at 28 °C. The total pressure of the gases in …
  8. Chemistry

    A student weighs out 15g of the hydrated salt KCl (this is KCl and water) and heats it till a constant mass of 12 grams remains. What percent of the salt was water?
  9. Chemistry

    You are given 1.226 g of a mixture of KClO3 and KCl. When heated, the KClO3 decomposes to KCl and O2, 2 KClO3 (s) → 2 KCl (s) + 3 O2 (g), and 246 mL of O2 is collected over water at 24 °C. The total pressure of the gases in the …
  10. Chemistry

    If 32.3 grams of KCl are dissolved in 192 grams of water, what is the concentration of the solution in percent by mass?

More Similar Questions