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8 Match 0.3371 11.8111.8ml| 11.8 mll 26.8126.8ml126.8 mll Q: A pharmacist mixes 1.2% and 8% stock...
please do all parts and hurry Part 1. part 2. part 3. 7. A pharmacist dissolves...
please do all parts and hurry
Part 1.
part 2.
part 3.
7. A pharmacist dissolves 18 g of potassium iodide (KI) in 300 ml of water. How many mEq/L and mosm/L are in the solution? (KI m.w. 166) a. How many mol/L of Kl are in the solution? b. What is Eq/mol conversion factor for KI? How many Eq/L of Kl are in the solution? What is the Osm/mol conversion factor for KI? How many Osm/L of KI are...
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...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 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 KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
(3) (i) How many mLs of a 0.5 M KH2PO4 stock solution are needed to make...
(3) (i) How many mLs of a 0.5 M KH2PO4 stock solution are needed to make 250 mLs of a 2.5 mM K solution (1 mark)? (ii) How many g of Ca(NO3)2 are needed to make 300 mLs of a 1 M Ca(NO3)2 stock solution (1 mark)? (iii) What is the concentration of Nations in the -Mg nutrient treatment in mM and ppm as given in Table 1 (1 mark)? (iv) What is the concentration of Cl- ions in the...
most of the previous answers were incorrect please do well to answer them correctly. thank you! Review Topica)...
most of the previous answers were incorrect please do well to
answer them correctly. thank you!
Review Topica) (References Use the References to access important values if needed for this question. You need to make an aqueous solution of 0.161 M iron(II) sulfate for an experiment in lab,, using a 250 mlL volumetric flask. How much solid iron(II) sulfate should you add? grams Submit Answer 8 more group attempts remaining Retry Entire Group w me Kelererces to access important values...
What is the pH n aqueous solution with a hydroxide ion concentration of 1.60 x 10-4...
What is the pH n aqueous solution with a hydroxide ion concentration of 1.60 x 10-4 M? O 14.2 03.80 O 10.2 0 -0.204 Consider the reaction. HF(aq) + KOH(aq) — KF(aq) + H20(1) What is the net ionic equation for the chemical reaction? HF(aq) + K+ (aq) + OH(aq) — K+(aq) + F-(aq) + H+(1) + OH-(1 HF(aq) + K+ (aq) —> K+ (aq) + H2O(l) HF(aq) + K+(aq) + OH- (aq) — K+(aq) +F-(aq) + H2O(1) HF(aq) +...
6. 48.6 mL of a 0.100 M NaOH solution is needed to react with 20.0 mL...
6. 48.6 mL of a 0.100 M NaOH solution is needed to react with 20.0 mL of an unknown concentration of HCl solution. What is the concentration of the HCl solution? 7. A colorless liquid has a composition of 84.1% carbon and 15.9% hydrogen by mass. Determine the empirical formula. Also, assuming the molar mass of this compound is 114.2 g/mol, determine the molecular formula of this compound. 8. What is the concentration of HCl in the final solution when...
8/30/2018 Dosage Forms Pharmaceutical calculations Anne Chapter 1 Practice Problems 1. If an insulin injection contains...
8/30/2018 Dosage Forms Pharmaceutical calculations Anne Chapter 1 Practice Problems 1. If an insulin injection contains 100 units originemine, how many milliers should be injected to receive 40 units of insulin 2. An injection contains me of medicati in each militer (ml). If a physician prescribes dose or 0.5 mg to be administered to a hospital patient three times daily, how many of injection will be required over a 5-day period? 3. In a clinical study, a drug produced drowsiness...
Chem200 Haggard Homework Problems Composition of Substances and Solutions 1. When 28.Ograms of CO is analyzed, it...
Chem200 Haggard Homework Problems Composition of Substances and Solutions 1. When 28.Ograms of CO is analyzed, it is found to contain 12.0g of carbon and 16.0g of oxveen. How much carbon and how much oxygen would be found in 100.0g of CO2 2. A sample of a compound is found to contain 40.0g of calcium, 71.0g of chlorine, 4.0g of hydrogen, and 32.0g of oxygen. How much of each element would be needed to make 750.0g of this compound? 3....
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information...
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information for parts a-d: The calcium ion is among the most important minerals for the human body. Maintaining proper calcium levels over a lifetime is strongly correlated with osteoporosis prevention. The recommended daily allowance (RDA) of calcium is 1.200 mg daily. Calcium supplements are available as calcium carbonate and calcium citrate, Ca (C.HSO). a. What is the mass percent of calcium in calcium citrate? b....
please do all parts and hurry
Part 1.
part 2.
part 3.
7. A pharmacist dissolves 18 g of potassium iodide (KI) in 300 ml of water. How many mEq/L and mosm/L are in the solution? (KI m.w. 166) a. How many mol/L of Kl are in the solution? b. What is Eq/mol conversion factor for KI? How many Eq/L of Kl are in the solution? What is the Osm/mol conversion factor for KI? How many Osm/L of KI are...
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...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 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 KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
(3) (i) How many mLs of a 0.5 M KH2PO4 stock solution are needed to make 250 mLs of a 2.5 mM K solution (1 mark)? (ii) How many g of Ca(NO3)2 are needed to make 300 mLs of a 1 M Ca(NO3)2 stock solution (1 mark)? (iii) What is the concentration of Nations in the -Mg nutrient treatment in mM and ppm as given in Table 1 (1 mark)? (iv) What is the concentration of Cl- ions in the...
most of the previous answers were incorrect please do well to
answer them correctly. thank you!
Review Topica) (References Use the References to access important values if needed for this question. You need to make an aqueous solution of 0.161 M iron(II) sulfate for an experiment in lab,, using a 250 mlL volumetric flask. How much solid iron(II) sulfate should you add? grams Submit Answer 8 more group attempts remaining Retry Entire Group w me Kelererces to access important values...
What is the pH n aqueous solution with a hydroxide ion concentration of 1.60 x 10-4 M? O 14.2 03.80 O 10.2 0 -0.204 Consider the reaction. HF(aq) + KOH(aq) — KF(aq) + H20(1) What is the net ionic equation for the chemical reaction? HF(aq) + K+ (aq) + OH(aq) — K+(aq) + F-(aq) + H+(1) + OH-(1 HF(aq) + K+ (aq) —> K+ (aq) + H2O(l) HF(aq) + K+(aq) + OH- (aq) — K+(aq) +F-(aq) + H2O(1) HF(aq) +...
6. 48.6 mL of a 0.100 M NaOH solution is needed to react with 20.0 mL of an unknown concentration of HCl solution. What is the concentration of the HCl solution? 7. A colorless liquid has a composition of 84.1% carbon and 15.9% hydrogen by mass. Determine the empirical formula. Also, assuming the molar mass of this compound is 114.2 g/mol, determine the molecular formula of this compound. 8. What is the concentration of HCl in the final solution when...
8/30/2018 Dosage Forms Pharmaceutical calculations Anne Chapter 1 Practice Problems 1. If an insulin injection contains 100 units originemine, how many milliers should be injected to receive 40 units of insulin 2. An injection contains me of medicati in each militer (ml). If a physician prescribes dose or 0.5 mg to be administered to a hospital patient three times daily, how many of injection will be required over a 5-day period? 3. In a clinical study, a drug produced drowsiness...
Chem200 Haggard Homework Problems Composition of Substances and Solutions 1. When 28.Ograms of CO is analyzed, it is found to contain 12.0g of carbon and 16.0g of oxveen. How much carbon and how much oxygen would be found in 100.0g of CO2 2. A sample of a compound is found to contain 40.0g of calcium, 71.0g of chlorine, 4.0g of hydrogen, and 32.0g of oxygen. How much of each element would be needed to make 750.0g of this compound? 3....
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information for parts a-d: The calcium ion is among the most important minerals for the human body. Maintaining proper calcium levels over a lifetime is strongly correlated with osteoporosis prevention. The recommended daily allowance (RDA) of calcium is 1.200 mg daily. Calcium supplements are available as calcium carbonate and calcium citrate, Ca (C.HSO). a. What is the mass percent of calcium in calcium citrate? b....
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