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If 1.00 g of KCl is completely dissolved in 24.5 g of water, what is the percent composition (by mass) of the solution that is formed?

Sagot :

maacastrobr

Answer:

3.92%

Explanation:

The solution that is formed is of KCl in water. This means that the percent composition by mass is given by the formula:

  • Mass of KCl / Mass of Solution * 100%

We now calculate the mass of solution:

  • Mass of Solution = Mass of KCl + Mass of Water = 1.00 g + 24.5 g
  • Mass of Solution = 25.5 g

Finally we calculate the percent composition:

  • 1.00 g / 25.5 g * 100% = 3.92%
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