At the conclusion of experiments involving growing bacterial cultures, ______ should be added to the plates or tubes and everything should be soaked for ______. pure acid; 1 hour a base; 30 minutes pure bleach; 2 hours pure bleach; 15 minutes
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Step 1: It is important to disinfect the plates or tubes and everything used in the bacterial culture experiments to prevent contamination. Show more…
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Yanni D.
A health clinic uses a solution of bleach to sterilize petri dishes in which cultures are grown. The sterilization tank contains 100 gal of a solution of $2 \%$ ordinary household bleach mixed with pure distilled water. New research indicates that the concentration of bleach should be $5 \%$ for complete sterilization. How much of the solution should be drained and replaced with bleach to increase the bleach content to the recommended level?
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