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OpenStudy (republican31):
If you have a 15% salt water solution, how many grams of salt do you have if you have 50 ml of water. 30 grams 15 grams 7.5 grams 5 grams
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OpenStudy (aaronq):
15% means that there are 15 grams in 100 grams of solution the density of water is about 1 g/mL, so 50 mL = 50 grams.
OpenStudy (anonymous):
You need to take 15% of the 50ml of water because 1mL=roughly 1g. So...15% is\[.15\times50grams=7.5grams\]
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