Chemistry, 18.02.2020 17:39 briannabo08
You added the same stoichiometric amount of oxalate ion to two test tubes containing 0.05 M Ca2+. Which test tube formed the greater amount of precipitate and why did you observe differing amounts of precipitate being formed in these test tubes? More precipitate formed in the test tube containing the
Answers: 1
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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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
Chemistry, 22.06.2019 22:30
What is a number added in front of a formula in order to balance the equation
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You added the same stoichiometric amount of oxalate ion to two test tubes containing 0.05 M Ca2+. Wh...
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