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How to dilute 91% rubbing alcohol to 70% rubbing alcohol?
Автор: Professor HJ
Загружено: 2020-09-13
Просмотров: 4001
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During this pandemic time, it is difficult to find 70% rubbing alcohol from stores, but you may find 91% rubbing alcohol in some of stores. As we know 70% rubbing alcohol is more effective to kill covid-19 virus than 91% rubbing alcohol. In this video we want to show mathematically how to dilute 91% rubbing alcohol to 70% rubbing alcohol by adding distilled water.
#ProfessorHJ #TopicsofPrecalculus #TopicsofCalculus
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