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What is the % by mass of a mixture containing 15.89 grams of salt dissolved in 677 grams of water?

Question

What is the % by mass of a mixture containing 15.89 grams of salt dissolved in 677 grams of water?

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Solution

To find the percent by mass of the salt in the mixture, you can follow these steps:

  1. First, find the total mass of the mixture. This is the sum of the mass of the salt and the mass of the water. So, 15.89 grams (salt) + 677 grams (water) = 692.89 grams (total mass).

  2. Next, calculate the percent by mass of the salt. This is the mass of the salt divided by the total mass of the mixture, multiplied by 100% to convert the decimal to a percentage. So, (15.89 grams / 692.89 grams) * 100% = 2.29%.

So, the percent by mass of the salt in the mixture is 2.29%.

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