. You can make your own flavored olive oils by letting pieces of garlic or fresh herbs (like basil, rosemary, tarragon, etc.) soak in a bottle of oil. In culinary circles this is called an infusion but what separation method is this using? Think of the garlic or herbs as the mixture. A) filtration B) centrifugation C) distillation D) extraction

. You can make your own flavored olive oils by letting pieces of garlic or fresh herbs (like basil, rosemary, tarragon, etc.) soak in a bottle of oil. In culinary circles this is called an infusion but what separation method is this using? Think of the garlic or herbs as the mixture. A) filtration B) centrifugation C) distillation D) extraction

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter2: Chemical Compounds

Section: Chapter Questions

Problem 143QRT: The present average concentration (mass percent) of magnesium ions in seawater is 0.13%. A chemistry...

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The present average concentration (mass percent) of magnesium ions in seawater is 0.13%. A chemistry textbook estimates that if 1.00 × 108 tons Mg were taken out of the sea each year, it would take one million years for the Mg concentration to drop to 0.12%. Do sufficient calculations to either verify or refute this statement. Assume that Earth is a sphere with a diameter of 8000 mi, 67% of which is covered by oceans to a depth of 1 mi, and that no Mg is washed back into the oceans at any time.
hat do the coefficients of a balanced chemical equation tell us about the proportions in which atoms and molecules react on an individual (microscopic) basis?
a) If 42.1 mL of 1.02 M sodium hydroxide, measured using a graduated cylinder, is placed in a beaker filled with 300 mL of DI water, what is the concentration of the diluted NaOH solution?b) Why does this calculation only provide an estimate of the NaOH concentration? In other words, why do we have to standardize the NaOH in this experiment to find its exact concentration?(Hint: think about the glassware used and refer back to the worksheet on glassware at the beginning of the semester.)
Is distillation a good method for separating a mixture of water and hexane? Why or why not?
A geochemist measures the concentration of salt dissolved in Lake Parsons and finds a concentration of 28.44 g L . The geochemist also -1 measures the concentration of salt in several nearby non-isolated lakes, and finds an average concentration of 6.22 g.L -- Assuming the salt concentration in Lake Parsons before it became isolated was equal to the average salt concentration in nearby non-isolated lakes, calculate the percentage of Lake Parsons which has evaporated since it became isolated. Be sure your answer has the correct number of significant digits. 國 do ロ x10 Continue Submit Assignment O 2020 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy I Accessibility <. arse Syllabus...pdf FINAL PAPER W....pdf - Document26.pdf MacBook Air F11 F10 F8 F9 O00 O00 F7 20 F6 F4 F5 F2 F3 F1 & 8.
A volume of 25.00 mL of the original solution was diluted to a total volume of 100.0 mL and then 10.00 mL of that diluted solution was diluted to a total volume of 15.00 mL to make the sample for analysis. If a student in lab found that the solution for spectroscopic analysis had a concentration of (4.0x10^-5) M, what was the concentration of the original solution, in units of M?
A group of students is doing an analysis of copper in a 1-peso coin. They were tasked to prepare standard solutions and weigh the analyte as the end-product of their experiment. Explain the type of error they are incurring in their experiment.
You perform your first titration using your NaOH with a KHP solution. Your KHP solution is made with 0.5045 g of KHP. The initial amount of NaOH in your pipette is 16.26 mL and the final amount in your buret is 36.79 mL when the indicator changes colour. Determine the concentration of your NaOH solution. Write your answer to four decimal places without units.
2. A serum is diluted 1:20 then 2 parts of the resulting dilution is added to 40 parts saline. Then 3 parts of the last dilution was added to saline to have a total volume of 6 parts. What is the final dilution?
3. Clearly explain how you could use the displacement method to determine the density of an irregular solid which floats in water. 4. Discuss some of the possible errors in finding the density of a liquid using the techniques in this experiment. 5. Think about a person floating in a body of water. What would you expect to be the difference between floating in Lake Michigan (fresh water) and in the Atlantic Ocean (3.5% salt solution)? Explain your answer.
Sucrose solution for experiment 1: (Question a-c)Prepare a solution of sucrose by accurately weighing 9.0 – 9.25 g of sucrose into a 100mLbeaker / conical flask. Record the mass of the sample. Add 25 mL distilled water. Mix until allcrystals dissolve.NaCl solution for experiment 2: (Question d-f)Prepare a solution of NaCl by accurately weighing approximately 1.5 g of NaCl into a 100 mLbeaker / conical flask. Record the mass of the sample. Add 25 mL distilled water. Mix until allcrystals dissolve.MgCl2٠6H2O solution for experiment 2: (Question d-f)Prepare a solution of magnesium chloride by accurately weighing approximately 3.6 g ofMgCl2٠6H20 into a 100 mL beaker / conical flask. Record the mass of the sample. Add 25 mLdistilled water. Mix until all the crystals dissolve
3. A student forgot to pre-measure the mass of the second evaporating dish prior to decanting the salt water mixture into it. Can the student weigh another evaporating dish of the same size and use its mass instead? 4 By what means could you separate a mixture of benzoic acid and sodium nitrate? 65 4x 12:05 AM 6/30/2022