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Chemistry, 22.06.2019 01:30, lizethdominguez037
What is the value of keq for the reaction expressed in scientific notation
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Chemistry, 22.06.2019 14:00, rosetoheart2
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Chemistry, 22.06.2019 14:00, hammackkatelyn60
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
Mathematics, 27.04.2022 01:10
Mathematics, 27.04.2022 01:30
Mathematics, 27.04.2022 02:00