Hi everyone, if anyone could give me some insight regarding these questions, that would be amazing. Obviously the answers on the screenshots are wrong. Thank you.
Viable Count and Serial Dilutions
Posted 24 November 2014 - 06:19 AM
the first question: you've already diluted the soap 1:5. in order to prepare 1:50 soap you need to dilute a further 1:10...
second question: 150 million/ml is correct. to get 6 million divide 6/150=...ml (multiply by 1000 for ul)
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