MediumChemistryHigh School (9–10)GeneralMixtures and Solutions › Mixtures, Solutions and ColloidsNumericalBoard Exam
A jar holds 380 g of brine that is 9 % salt by mass…
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
A jar holds of brine that is salt by mass. How many grams of salt and how many grams of water does it hold?
Need a reminder? The key ideaShow
Mass by mass , where the solution is solute plus solvent. Volume by volume .
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Step 1. The salt. .
Step 2. The water. .
Answer: of salt and of water.
Check. .
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