ethyl alcohol stock solution: 6.0% (w/v) Needed final concentration: 0.30% (w/v) Needed final volume: 50.0 mL...
ethyl alcohol stock solution: 6.0% (w/v)
Needed final concentration: 0.30% (w/v)
Needed final volume: 50.0 mL
1. Calculate the number of grams of ethyl alcohol in 2.5 mL of stock solution.
2. Calculate the number of grams of ethyl alcohol in 50.0 mL of prepared final solution.
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ethyl alcohol stock solution: 6.0% (w/v)
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