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2) Select which of the following pieces of laboratory experiment could be used when measuring out 20.00 mL CoCl2: 150-mL beaker 400-mL beaker 250-mL Erlenmeyer flask 50-mL buret 50-ml graduated cylinder 100-mL graduated cylinder

2) Select which of the following pieces of laboratory experiment could be used when measuring out 20.00 mL CoCl2: 150-mL beaker 400-mL beaker 250-mL Erlenmeyer flask 50-mL buret 50-ml graduated cylinder 100-mL graduated cylinder

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter14: Mixtures And Solutions
Section14.1: Types Of Mixtures
Problem 7SSC
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Once you have answered this question, how would your answer have changed if the am of CoCl, to be measured is 20.0 mL. AP Question // Q 3) A stock solution of 0.100 M cobalt (II) chloride is used to create several solutions, indicated in the data table below: Sample Volume CoCl2 (mL) Volume H20 (mL) 1 20.00 15.00 10,00 12.00 10.00 4. 5.00 25.00 Calculate the concentration of cobalt(II) chloride in each sample.
Transcribed Image Text:Once you have answered this question, how would your answer have changed if the am of CoCl, to be measured is 20.0 mL. AP Question // Q 3) A stock solution of 0.100 M cobalt (II) chloride is used to create several solutions, indicated in the data table below: Sample Volume CoCl2 (mL) Volume H20 (mL) 1 20.00 15.00 10,00 12.00 10.00 4. 5.00 25.00 Calculate the concentration of cobalt(II) chloride in each sample.
AP Question I/Q 1) A student has a mixture containing three different organic substances. The Lewis diagrams of the substances are below: H. H. H H H- Ö-H H-C H. H H H H. n-butanol ethyl chloride H. H. H. H- H H H. H. n-propylamine a. If the mixture is dabbed onto chromatography paper that was then placed into a polar solvent, rank the R, values for each component of the mixture from high to low after the solvent has saturated the paper. Justify your answer. b. If the mixture is poured into a chromatography column and then eluted with a very nonpolar substance, which component of the mixture would leave the column first, and why? 2) Select which of the following pieces of laboratory experiment could be used when measuring out 20.00 mL CoCl;: 150-mL beaker 400-mL beaker 250-mL Erlenmeyer flask 50-mL buret 50-mL graduated cylinder 100-mL graduated cylinder
Transcribed Image Text:AP Question I/Q 1) A student has a mixture containing three different organic substances. The Lewis diagrams of the substances are below: H. H. H H H- Ö-H H-C H. H H H H. n-butanol ethyl chloride H. H. H. H- H H H. H. n-propylamine a. If the mixture is dabbed onto chromatography paper that was then placed into a polar solvent, rank the R, values for each component of the mixture from high to low after the solvent has saturated the paper. Justify your answer. b. If the mixture is poured into a chromatography column and then eluted with a very nonpolar substance, which component of the mixture would leave the column first, and why? 2) Select which of the following pieces of laboratory experiment could be used when measuring out 20.00 mL CoCl;: 150-mL beaker 400-mL beaker 250-mL Erlenmeyer flask 50-mL buret 50-mL graduated cylinder 100-mL graduated cylinder
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