Chemistry, 19.10.2019 04:30 isaiaspineda09pe6ljq
Stu and noke are working with a red food coloring, red #40. the stock solution has a concentration of 0.0880 m dye. noke want to makes a concentration of 0.0088 m, exactly one tenth of the original red dye solution strength. what volume of the original 0.0880 m solution should she measure into a 100.0 volumetric flask, to be diluted with water up to the line of the flask? (3 significant digits, unit ml)
2)stu dilutes the stock 0.0880 m red dye solution (same as the previous question by measuring 25.00 ml with a pipet into a 100.0 ml volumetric flask and then adding water up to the line on the flask. calculate the new concentration of his diluted solution. (round to 3 significant digits, unit m)
Answers: 1
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Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
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Stu and noke are working with a red food coloring, red #40. the stock solution has a concentration o...
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