Chemistry, 24.11.2019 22:31 jadenjohnson89
A2.350×10−2 m solution of nacl in water is at 20.0∘c. the sample was created by dissolving a sample of nacl in water and then bringing the volume up to 1.000 l. it was determined that the volume of water needed to do this was 999.4 ml . the density of water at 20.0∘c is 0.9982 g/ml. part a: calculate the molality of the salt solution. part b: calculate the mole fraction of salt in this solution. part c: calculate the concentration of the salt solution in percent by mass. part d: calculate the concentration of the salt solution in parts per million.
Answers: 3
Chemistry, 22.06.2019 12:20
Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.
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Chemistry, 22.06.2019 13:10
What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction
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A2.350×10−2 m solution of nacl in water is at 20.0∘c. the sample was created by dissolving a sample...
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