5. What is the % w/v of a solution that has 250 mg of penicillin V...
5. What is the % w/v of a solution that has 250 mg of
penicillin V dissolved in a total volume of 100
ml of distilled water ?
6. Using the formula CV=C1V1 given a total
volume of 300ml of a 10% w/v of a bleach solution
how many ml of
this stock solution is need to make a 1.0% solution ?
7. A total of 125 ml of a 10% solution is
diluted to 500. What is the concentration of the new solution
?
8. Convert a urine creatinine which is 50
mg/dl on you laboratory instrument to the units a physician
likes
to use which is
G(Grams)/L
9. Convert a urine calcium which is 15 mg/dl to the
units the physicians like to see which is mg/L.
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5. What is the % w/v of a solution that has 250 mg of
penicillin V...
A technologist is ask to prepare 100 mL of a 5% (v/v) concentration of sodium hypochloride....
A technologist is ask to prepare 100 mL of a 5% (v/v) concentration of sodium hypochloride. How much solute should they add to the concentrated sodium hypochloride? A CLS needs to make a 1 to 10 dilution with a total volume of 100.0 mu L. How many mu L of patient serum must be used to make this dilution? Consider if you wanted to make 1.00 L of a 0.200 M solution of Na3PO4 (163.94 g). How many grams of....
1. Serial dilution Questions: a) (5 pts) Suppose you begin with stock solution of dye that has a concentration of 3...
1. Serial dilution Questions: a) (5 pts) Suppose you begin with stock solution of dye that has a concentration of 350.0 mg/L and do the following set of serial dilutions on it: 5.00 mL of stock diluted to a total volume (TV) of 500.00 mL (Dilution 1); 2.00 mL of Dilution 1 is then diluted to a TV of 250.00 mL (Dilution 2); finally, 1.00 mL of Dilution 2 is then diluted to a total volume of 100.00 mL. Calculate...
Part C The absorbance of a cationieron) sample solution was measured in a spectrophotometer, but the...
Part C The absorbance of a cationieron) sample solution was measured in a spectrophotometer, but the instrument returned an error because the absorbance was too high. The sample was then diluted by using a pipette to take 100.0 L of the sample and injecting it into a cuvette already containing 2.00 mL of water total volume is 200 ml + 100.0 L). The absorbance value of the diluted solution corresponded to a concentration of 7.84x10-6 M. What was the concentration...
What is the molarity of a solution that contains 10.0 grams of NaOH in 1 L...
What is the molarity of a solution that contains 10.0 grams of NaOH in 1 L of solution? How many grams of HCl are needed to make 500.0 mL of a 1.00 M solution (GMW HCl = 36.46 g)? A 2 N HCl solution is also a ___ molar solution Given a 1.5 M H2SO4 solution, what is the normality of this solution? What is the gram equivalent weight of K2CO3 (K = 39.10 g, C = 12.01 g, O...
PLEASE ANSWER ALL 10. What volume of 14N H2SO4 is needed to make 500 mL of...
PLEASE ANSWER ALL
10. What volume of 14N H2SO4 is needed to make 500 mL of 3.2M H2SO4 solution? 11. A solution contains 40 g of solute dissolved in 0.5 L of water. What is the percentage of this solution? 12. How many mL of 4M H2SO4 are required to make 1.5L of 0.5M acid? 13. 100mL of 8% NaCl solution contains g of NaCl 14. A liter of 0.95% solution of NaCl contains g of NaCl 15. 2500mL of...
Question 1 5 points Save Answer What volume (in mL) of a 369% (w/w) HCI solution...
Question 1 5 points Save Answer What volume (in mL) of a 369% (w/w) HCI solution must be diluted to prepare 1.000 L of a 0.1000 M HCI solution? The density of 36% (ww) HCI solution is 1.18 g/mL. Molar mass of HCl is 36.46 g/mol. Note: Report only the numerical value (with correct sig fig) in your final answer without the unit and subscript. Round the final answer only, not in the middle of the calculation steps.
What is the concentration of a solution made by adding 247 mL of pure liquid soap...
What is the concentration of a solution made by adding
247 mL of pure liquid soap (100.0% soap) to total volume of 2.67
L?
Chemistry 2A Lab 13: Solution Calculations 12. What is the concentration of a solution made by adding 247 mL of pure liquid soap (100.0% soap) to total volume of 2.67 L? 13. Calculate the volume required of a 42.0% iodine solution to prepare 300.0 mL of a 23% iodine. 14. A patient is to receive 0.200...
biochemistry X de 201 Microsoft Word - BCH2604_202X + saca/studymatematerial/1364988048859f0fd6d312e102400/5e810344/BCH2604/t/101_2020_0_b.pdf 1.8 A 10% (w/v) solution means...
biochemistry
X de 201 Microsoft Word - BCH2604_202X + saca/studymatematerial/1364988048859f0fd6d312e102400/5e810344/BCH2604/t/101_2020_0_b.pdf 1.8 A 10% (w/v) solution means 1 10 g of solute in 100 L of solvent 2.0.1 g of solute in 10 mL of solvent 31 g of solute in 10 mL of solvent 4 10 gol solute in 0.1 Lof solvent 5 10 g of solute in 100 mL of solvent 19 A 10x stock solution means 1 it is 10 times the working concentration 2. It has to...
In the reaction of magnesium metal with hydrochloric acid: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g)...
In the reaction of magnesium metal with hydrochloric acid: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) What evidence of reaction would you see based on this balanced reaction? The solution cools down Solid formation Bubbles form in solution A color change In the lab, a student measures a teaspoon of an unknown liquid. The teaspoon of liquid has a mass of 6.84 g and a volume of 4.48 ml. How many teaspoons would be in 1.77 kg of this unknown...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of a 9.0 M HCl solution is diluted with pure water to a total volume of 0.15 L? 28) How many milliliters of a 9.0 M H2SO4 solution are needed to make 0. 45 L of a 3.5 M solution? A) 0. 18 mL B) 1.2 mL C) 180 mL D) 1200 mL 29) A student prepared a stock solution by dissolving 15.0 g of...
A technologist is ask to prepare 100 mL of a 5% (v/v) concentration of sodium hypochloride. How much solute should they add to the concentrated sodium hypochloride? A CLS needs to make a 1 to 10 dilution with a total volume of 100.0 mu L. How many mu L of patient serum must be used to make this dilution? Consider if you wanted to make 1.00 L of a 0.200 M solution of Na3PO4 (163.94 g). How many grams of....
1. Serial dilution Questions: a) (5 pts) Suppose you begin with stock solution of dye that has a concentration of 350.0 mg/L and do the following set of serial dilutions on it: 5.00 mL of stock diluted to a total volume (TV) of 500.00 mL (Dilution 1); 2.00 mL of Dilution 1 is then diluted to a TV of 250.00 mL (Dilution 2); finally, 1.00 mL of Dilution 2 is then diluted to a total volume of 100.00 mL. Calculate...
Part C The absorbance of a cationieron) sample solution was measured in a spectrophotometer, but the instrument returned an error because the absorbance was too high. The sample was then diluted by using a pipette to take 100.0 L of the sample and injecting it into a cuvette already containing 2.00 mL of water total volume is 200 ml + 100.0 L). The absorbance value of the diluted solution corresponded to a concentration of 7.84x10-6 M. What was the concentration...
PLEASE ANSWER ALL
10. What volume of 14N H2SO4 is needed to make 500 mL of 3.2M H2SO4 solution? 11. A solution contains 40 g of solute dissolved in 0.5 L of water. What is the percentage of this solution? 12. How many mL of 4M H2SO4 are required to make 1.5L of 0.5M acid? 13. 100mL of 8% NaCl solution contains g of NaCl 14. A liter of 0.95% solution of NaCl contains g of NaCl 15. 2500mL of...
Question 1 5 points Save Answer What volume (in mL) of a 369% (w/w) HCI solution must be diluted to prepare 1.000 L of a 0.1000 M HCI solution? The density of 36% (ww) HCI solution is 1.18 g/mL. Molar mass of HCl is 36.46 g/mol. Note: Report only the numerical value (with correct sig fig) in your final answer without the unit and subscript. Round the final answer only, not in the middle of the calculation steps.
What is the concentration of a solution made by adding
247 mL of pure liquid soap (100.0% soap) to total volume of 2.67
L?
Chemistry 2A Lab 13: Solution Calculations 12. What is the concentration of a solution made by adding 247 mL of pure liquid soap (100.0% soap) to total volume of 2.67 L? 13. Calculate the volume required of a 42.0% iodine solution to prepare 300.0 mL of a 23% iodine. 14. A patient is to receive 0.200...
biochemistry
X de 201 Microsoft Word - BCH2604_202X + saca/studymatematerial/1364988048859f0fd6d312e102400/5e810344/BCH2604/t/101_2020_0_b.pdf 1.8 A 10% (w/v) solution means 1 10 g of solute in 100 L of solvent 2.0.1 g of solute in 10 mL of solvent 31 g of solute in 10 mL of solvent 4 10 gol solute in 0.1 Lof solvent 5 10 g of solute in 100 mL of solvent 19 A 10x stock solution means 1 it is 10 times the working concentration 2. It has to...
In the reaction of magnesium metal with hydrochloric acid: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) What evidence of reaction would you see based on this balanced reaction? The solution cools down Solid formation Bubbles form in solution A color change In the lab, a student measures a teaspoon of an unknown liquid. The teaspoon of liquid has a mass of 6.84 g and a volume of 4.48 ml. How many teaspoons would be in 1.77 kg of this unknown...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of a 9.0 M HCl solution is diluted with pure water to a total volume of 0.15 L? 28) How many milliliters of a 9.0 M H2SO4 solution are needed to make 0. 45 L of a 3.5 M solution? A) 0. 18 mL B) 1.2 mL C) 180 mL D) 1200 mL 29) A student prepared a stock solution by dissolving 15.0 g of...
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