Chemistry, 19.05.2021 21:50 sirinapadeangel
What will be the volume of resulting solution in L when 500mL of 0.2M solution will be diluted to 0.02M?
Answers: 2
Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
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The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?
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How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers
Answers: 1
What will be the volume of resulting solution in L when 500mL of 0.2M solution will be diluted to 0....
Computers and Technology, 31.12.2019 05:31
Computers and Technology, 31.12.2019 05:31