In 120 grams of water, 30 grams of salt was dissolved. What percentage of salt is in the solution?
| July 6, 2021 | education
1. Find out the weight of the solution after adding salt to the water:
120 gr + 30 gr = 150 gr.
2. Find out what percentage of salt is in the solution. To do this, we divide the weight of the salt that was dissolved by the total weight of the solution and multiply by 100%:
30/150 * 100% = 20%.
Answer: the solution contains 20% salt.
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