Chemistry, 05.05.2020 08:12, ayoismeisalex
A 15.0-mg sample of a compound with a formula mass of 384.63 was dissolved in a 5-mL volumetric flask. A 1.00-mL aliquot was withdrawn, placed in a 10-mL volumet- ric flask, and diluted to the mark. (a) Find the concentration of sample in the 5-mL flask. (b) Find the concentration in the 10-mL flask. (c) The 10-mL sample was placed in a 0.500-cm covet and gave an absorbance of 0.634 at 495 nm. Find the molar absorptivity at 495 nm.
Answers: 2
Chemistry, 22.06.2019 22:30, eduardoguizar8787
Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h
Answers: 1
Chemistry, 22.06.2019 23:20, svaskeacevilles5477
In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as
Answers: 2
A 15.0-mg sample of a compound with a formula mass of 384.63 was dissolved in a 5-mL volumetric flas...
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