Chemistry, 31.07.2019 09:00 poonwagon994
The blank solution used to calibrate the spectrophotometer is 10.0 ml of 0.2 m fe(no3)3 diluted to 25.0 ml with 0.1 m hno3. why is this solution preferred to simply using de-ionized water for the calibration?
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Chemistry, 21.06.2019 20:30
If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared
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Chemistry, 22.06.2019 06:30
Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
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