Sophie organize a party. She makes some drinks. In a big container, she put 1,25 L of syrup. She had adds 6L of water. Just before the start she realizes that it will be insufficient. She adds 2,5 other liters of water.
What’s the syrup concentration (in g/L) at the end ?
For this exercise we will say that a liter of syrup has the same masse as a liter of water.
Good luck
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