Penicillin V was treated chemically to convert sulfur in penicillin V to barium sulfate, BaSO4. An...
Penicillin V was treated chemically to convert sulfur in penicillin V to barium sulfate, BaSO4. An 8.19 mg sample of penicillin V gave 5.46 mg of BaSO4.
- What is the % of sulfur in penicillin V (by mass)?
If there is one sulfur atom in penicillin, what is the molecular weight of penicillin V?
Homework Answers
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Penicillin V was treated chemically to convert sulfur in
penicillin V to barium sulfate, BaSO4. An...
A.) Barium sulfate, BaSO4, is used in medical imaging of the gastrointestinal tract because it is...
A.) Barium sulfate, BaSO4, is used in medical imaging of the
gastrointestinal tract because it is opaque to X rays. A barium
sulfate solution, sometimes called a cocktail, is ingested by the
patient, whose stomach and intestines can then be visualized via
X-ray imaging. If a patient ingests 260 mL of a saturated barium
sulfate solution, how much toxic Ba2+ ion has the patient
consumed?
The solubility product Kspof BaSO4 is 1.10×10−10
Express your answer to three significant figures and...
10.1 Precipitation of Barium Sulfate-Pre-Lab Questions Name Date: Instructor 1. Calculate the formula weight of BaSO4.(Enter...
10.1 Precipitation of Barium Sulfate-Pre-Lab Questions Name Date: Instructor 1. Calculate the formula weight of BaSO4.(Enter unit as g/mol.) 2 What mass of BasO4 is presont in 40.0 mL of a 0.65 M solution? 3. What is the formula weight of Na SO? (Enter unit as g/mol.) 4. What mass of Na SO4 is present in 100.0 mL of a 0.35 M solution? 5. What is the formula weight of BaC2? (Enter unit as g/mol.) 6. You mix 6.0 mL...
3. 495 grams is a typical mass for a glass of water. Calculate the number of...
3. 495 grams is a typical mass for a glass of water. Calculate the number of water molecules you drink when quenching your thirst with this quantity of our most common liquid. 4. How many moles are in 150 grams of each of the compounds in problem #1? 5. How many grams are need to give .250 moles of each of the compounds in problem #1? 6. What is the percent weight of oxygen in barium chlorate? Da Cloz) 2...
s sodum phosphate =) 0.25 X 162 moc acid & 0.25X6.3.01 = 0.25 * 163.94 =...
s sodum phosphate =) 0.25 X 162 moc acid & 0.25X6.3.01 = 0.25 * 163.94 = 41.69 6.3.01 = 15.89 scular Weight and Percent Compositon and all Molecular weights to one place pass Problem Set #19 - Moles, Molecules, Molecular Weight Give all answers in three significant figures and all Molecule the decimal 1. Give the molecular weight (molar mass) for each of the following a. sodium phosphate — 1649 ole b. nitric acid - 63.0lmol- c. barium arsenate 690...
solve this pediatric problems Pediatric Dosing 1. Odered is Penicillin V Potassium 100 mg po q6h...
solve this pediatric problems
Pediatric Dosing 1. Odered is Penicillin V Potassium 100 mg po q6h for a child weighing 36 lb. According to the harriet Lane Handbook, the recommended dosage of Penicillin V Potassium po for a child is 25 50 mg/kg/day divided 96-8hr. a is the dose dafe? b. How many ml per dose 2. A child weighs 35 lb and has an order for Keflex (cephalexin ) 150 g po q6h. Label is cephalexin 250 mg/5 ml...
Q3) A drug compound for anticancer treatment, Platinol has a base structure of Pt(NH3)2Cl2. A var...
Q3) A drug compound for anticancer treatment, Platinol has a base structure of Pt(NH3)2Cl2. A variant form of the drug has the formula Pt2(NH3)4Cl3. For the variant form, calculate the mass percent of platinum. hint: Molar masses used Pt 195.084g/mol, N 14.0067g/mol, H 1.008g/mol, and Cl 35.453 g/mol. Q4) When Barium (density is 3.5 g/mL) reacts with sulfur (density is 2.04 g/mL) to form barium sulfide, each barium atom reacts with one sulfur atom. The mass ratio of barium to...
ul JN InSoluble Precipitate Purpose his experiment will examine the reaction between BalNOsh and NH,SOJH (sulfamic...
ul JN InSoluble Precipitate Purpose his experiment will examine the reaction between BalNOsh and NH,SOJH (sulfamic acid) in a hot, combination of these two reactants will produce a precipitate which is insoluble in water. The primary the experiment is to determine the identity of the precipitate from mass relationships. pur Overview Specific quantities of Ba(NOsh and NH,SO,H will be allowed to react in boiling, distilled water. During the course of the reaction, certain covalent bonds in the sulfamic acid molecules...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
31). 31) To convert a given number of moles into the number of atoms, one would...
31). 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 32) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S, 32.06 g/mol] A) 6.02 x 1023 atoms B) 2.91 x 1023...
5) How many moles of hydrogen gas are needed to react with oxygen to form one...
5) How many moles of hydrogen gas are needed to react with oxygen to form one mole of 5) water? 2H2(8) + O268) - 2H20(1) A) 4 mol B) 1 mol C) 2 mol D) 0.5 mol E) 6 mol 6) Incomplete combustion occurs when there is insufficient oxygen to react with a compound. The suffocating gas carbon monoxide is a product of incomplete combustion. How many moles of oxygen gas are required for the complete combustion of 11.0 moles...
A.) Barium sulfate, BaSO4, is used in medical imaging of the
gastrointestinal tract because it is opaque to X rays. A barium
sulfate solution, sometimes called a cocktail, is ingested by the
patient, whose stomach and intestines can then be visualized via
X-ray imaging. If a patient ingests 260 mL of a saturated barium
sulfate solution, how much toxic Ba2+ ion has the patient
consumed?
The solubility product Kspof BaSO4 is 1.10×10−10
Express your answer to three significant figures and...
10.1 Precipitation of Barium Sulfate-Pre-Lab Questions Name Date: Instructor 1. Calculate the formula weight of BaSO4.(Enter unit as g/mol.) 2 What mass of BasO4 is presont in 40.0 mL of a 0.65 M solution? 3. What is the formula weight of Na SO? (Enter unit as g/mol.) 4. What mass of Na SO4 is present in 100.0 mL of a 0.35 M solution? 5. What is the formula weight of BaC2? (Enter unit as g/mol.) 6. You mix 6.0 mL...
3. 495 grams is a typical mass for a glass of water. Calculate the number of water molecules you drink when quenching your thirst with this quantity of our most common liquid. 4. How many moles are in 150 grams of each of the compounds in problem #1? 5. How many grams are need to give .250 moles of each of the compounds in problem #1? 6. What is the percent weight of oxygen in barium chlorate? Da Cloz) 2...
s sodum phosphate =) 0.25 X 162 moc acid & 0.25X6.3.01 = 0.25 * 163.94 = 41.69 6.3.01 = 15.89 scular Weight and Percent Compositon and all Molecular weights to one place pass Problem Set #19 - Moles, Molecules, Molecular Weight Give all answers in three significant figures and all Molecule the decimal 1. Give the molecular weight (molar mass) for each of the following a. sodium phosphate — 1649 ole b. nitric acid - 63.0lmol- c. barium arsenate 690...
solve this pediatric problems
Pediatric Dosing 1. Odered is Penicillin V Potassium 100 mg po q6h for a child weighing 36 lb. According to the harriet Lane Handbook, the recommended dosage of Penicillin V Potassium po for a child is 25 50 mg/kg/day divided 96-8hr. a is the dose dafe? b. How many ml per dose 2. A child weighs 35 lb and has an order for Keflex (cephalexin ) 150 g po q6h. Label is cephalexin 250 mg/5 ml...
ul JN InSoluble Precipitate Purpose his experiment will examine the reaction between BalNOsh and NH,SOJH (sulfamic acid) in a hot, combination of these two reactants will produce a precipitate which is insoluble in water. The primary the experiment is to determine the identity of the precipitate from mass relationships. pur Overview Specific quantities of Ba(NOsh and NH,SO,H will be allowed to react in boiling, distilled water. During the course of the reaction, certain covalent bonds in the sulfamic acid molecules...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
31). 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 32) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S, 32.06 g/mol] A) 6.02 x 1023 atoms B) 2.91 x 1023...
5) How many moles of hydrogen gas are needed to react with oxygen to form one mole of 5) water? 2H2(8) + O268) - 2H20(1) A) 4 mol B) 1 mol C) 2 mol D) 0.5 mol E) 6 mol 6) Incomplete combustion occurs when there is insufficient oxygen to react with a compound. The suffocating gas carbon monoxide is a product of incomplete combustion. How many moles of oxygen gas are required for the complete combustion of 11.0 moles...
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