Chemistry, 26.05.2020 22:00 jungcoochie101
You have 2 ml of suspension of bacterial cells, and your task is to find out how many cells per ml are present in this suspension. You take 0.1 ml of the suspension and transfer into a tube with 9.9 ml of water. After mixing very thoroughly, you take 0.1 ml from the first dilution and transfer into a tube with 9.9 ml of water. After mixing very thoroughly, you take 0.2 ml from the second dilution, spread onto the surface of agar and incubate the plate at 37oC overnight. In the morning, you count 25 colonies on the plate. How many cells per ml were present in the original suspension
Answers: 3
Chemistry, 21.06.2019 18:30
What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?
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Chemistry, 22.06.2019 11:30
For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph
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Chemistry, 22.06.2019 16:30
An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:
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You have 2 ml of suspension of bacterial cells, and your task is to find out how many cells per ml a...
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