It is often necessary to prepare a dilute solution from a more concentrated solution rather than starting from a solid and just dissolving it then adding water. This technique is called serial dilution. Give all the steps necessary to obtain 100 mL of a 1.7 x 10-5 M solution using a solution prepared by dissolving 0.3 grams of a Red dye (molar mass of 869 g/mol) dissolved in water in a 100 mL capacity volumetric flask. Assume you have access to deionized water, 1.0mL pipette, 5.0 mL pipette, 10.0 mL pipette, and 100.0 mL volumetric flasks.
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Chemistry, 22.06.2019 18:10
Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
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Chemistry, 23.06.2019 01:30
In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i
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It is often necessary to prepare a dilute solution from a more concentrated solution rather than sta...
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