Chemistry, 12.04.2021 19:10, jdobes9578
According to the general procedure of Experiment A2b, 213 mg of (E)-stilbene (180.25 g/mol) was reacted with 435 mg of pyridinium bromide perbromide (319.82 g/mol) to afford 342 mg of meso-stilbene dibromide (340.05 g/mol) as a white solid. Calculate the percent yield for this reaction. Enter your answer as digits only (no units), using the proper number of significant figures.
Answers: 1
Chemistry, 22.06.2019 10:00, berniceallonce22
What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18
Answers: 1
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
Chemistry, 22.06.2019 18:30, lattimorekeonna1
How many moles of bromine are needed to produce 3.23 moles of potassium bromide
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Chemistry, 22.06.2019 21:00, alwaysneedhelp84
Write a balanced equation showing the formation of copper (ii) nitrite from its elements
Answers: 1
According to the general procedure of Experiment A2b, 213 mg of (E)-stilbene (180.25 g/mol) was reac...
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