Chemistry, 16.04.2020 19:45 Cleotilde14151
Why did you do that to me gabriella8671. That is not fair. I just wanted a clear explanation of the question. Uj
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Chemistry, 21.06.2019 19:00
Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.
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Chemistry, 22.06.2019 12:50
The number at the end of an isotope’s name is the number.
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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.
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Chemistry, 22.06.2019 20:30
What is a difference between a mixture of elements and a mixture of compounds
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Why did you do that to me gabriella8671. That is not fair. I just wanted a clear explanation of the...
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