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The amount and the concentration of a salt solution is given. How much salt would you get if you evaporated all water from this solution?

80g of a 35% solution

The amount and the concentration of a salt solution is given. How much salt would you get if you evaporated all water from this solution?

Im really desperate, I will make you brainliest if u answer both of them correctly
20g of a 17% solution

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sqdancefan

Answer:

  • 28 g
  • 3.4 g

Step-by-step explanation:

These problems only make sense if the percentage is by weight. To find the amount of salt, multiply the amount of solution by the percentage that is salt:

a) (80 g)(35%) = 28 g . . . . weight of salt

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b) (20 g)(17%) = 3.4 g . . . . weight of salt

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Comment on percent

You know that % means /100, so 35% = 35/100 = 0.35.

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