3. A substance with a pH of 6 is...
a weak acid
a strong acid
a weak alkali
...
Chemistry, 19.01.2021 02:10 DerikF9478
3. A substance with a pH of 6 is...
a weak acid
a strong acid
a weak alkali
neutral
Answers: 2
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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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Calculate the mass of carbon in 97.0 g of sucrose c12h22o11
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