An acid-base indicator is used in what type of reaction?
a. neutralization
b. combinati...
Answers: 1
Chemistry, 22.06.2019 06:00
If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?
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In apex! a liquid heated beyond a certain temperature becomes
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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
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