PrincesssOfficial
29.09.2019 •
Chemistry
Ablood sample is diluted by placing 0.2ml of the blood in a tube and filling the tube to the 5ml mark with a solution. what percent of the solution represents whole blood?
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Ответ:
v=5 mL
a=100v₀/v
a=100×0.2/5=4%
4%
Ответ: