Computation: Ratio Strength, PPM, mg% Show your complete solution. 1. A sample of white petrolatum contains 10mg of tocopherol per kilogram as a preservative. Express the amount of tocopherol as a ratio strength. Equivalent weight of 1 kilogram in milligrams = ? Percentage strength of tocopherol = ? Ratio strength of tocopherol = ?
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Computation: Ratio Strength, PPM, mg%
Show your complete solution.
1. A sample of white petrolatum contains 10mg of tocopherol per kilogram as a preservative. Express the amount of tocopherol as a ratio strength.
Equivalent weight of 1 kilogram in milligrams = ?
Percentage strength of tocopherol = ?
Ratio strength of tocopherol = ?
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- A pharmacist adds 3 mL of 8 mmol/L NaF to 197 mL of 2.5 mmol/L NaCl. What is the total mEq of the sodium (Na) ion in the mixture? Report your answer with 2 decimal places. DO NOT include units.McGraw Hill C Chegg - Get 2 MOTION EYE OWLv2 | Assig Submit Answer Content *OWLv2 | Orx t.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator assignment-take CengageNOW Retry Entire Group 4 more group attempts remaining New Tab [Review Topics] [References] A solution was made by dissolving 7.01 g sodium chloride (NaCl) in 56.9 g water (H₂O). What is the mole fraction of water in this solution? Mole fraction = C Other Bookraching and lear x m/takeAssignment/takeCovalentActivity.do?locator=assignment-take f6 6 Your one-time code-escobedoa X G how do you cover a ml to liter - X + Use the References to access important values if needed for this question. In our bodies, sugar is broken down with oxygen to produce water and carbon dioxide. According to the following reaction, how many grams of oxygen gas are necessary to form 0.705 moles carbon dioxide? C6H12O6 (s) + 602 (g) → 6CO₂(g) + 6H₂O(2) Submit Answer & g oxygen gas 7 Q. Search LD COGNOF fg Retry Entire Group * त 4+ 8 fg hp KAA 2 more group attempts remaining 9 f10 ►I O 104 f11 12 ✈ + ins prt sc ← delete backspace Next > home O num lock 海口 6:54 PM 5/18/2023 end
- insort sc HPE X Cen X L My X E Lab X O Log X O Mail x e Reg x , rupe X G Goc X+ w.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [Review Topics] [References] Use the References to access important values if needed for this question. What volume of a 0.159 M calcium hydroxide solution is required to neutralize 21.7 mL of a 0.121 M perchloric acid solution? mL calcium hydroxide Submit Answer Retry Entire Group 9 more group attempts remaining f12 delete home f1o fgOWLV2 | On x *: OWLV2 | Ass x * OWLV2 | On x y google- Yal x e Registration x D selfserve.un x n/takeAssignment/takeCovalentActivity.do?locator=assignment-take Use the References to access important values if needed for this question. The molar solubility of lead fluoride in a water solution is M. Submit Answer Retry Entire Group 8 more group attempts remaining W hp1. How many ml of NaOH in preparing 50 g of it in 1N of solution (Na- 23, O -16, H-1) 2. 100ml of sodium hydroxide solution is required 20ml of 0.5 N sulfuric acid solution to neutralize it. Calculate the amount of sodium hydroxide or percent purity. (mwt of sulfuric acid is 98g/mole)
- Rank the species from most to least soluble in water. Ba(103)2, Ksp = 4.0×10-9 FeF2, Ksp = 2.4x10-6 CslO4, Ksp = 5.2×10-6 I. I. I. Periodic Table and Datasheet O I> || > III O II >I> II O I> III >|| O III > || > I= 209; S =32 ). What is the solubility of Bi2S3 in g/L (At. Mass: Bi = Ksp Bi2S3= 1.6 x 10-72 Answer format: 1.00x10-14 (Don't put the unit. Round-off your final answer in two decimal place)You are given 25 mL of a Red #40 Allure Red food stock solution of a concentration of 2.02 x 10-5 M. The molecular weight of the allura red is 496 g/mol. You use the lab equipment available to make 5 dilutions of the stock solution. A. Determine the volume of stock solution required to make 5.00 mL of the diluted solutions the desire concentrations are (Picture of table included) B. The absorbance of each dilution is also given in the table prepare a beer's law plot and attach. Then determine the concentration of an unknown solution of allura red if the absorbance is found to be 0.436.
- e teaching and lear X H /ilm/takeAssignment/takeCovalentActivity.do?locator=assignment-take Paraphrasing Tool - QuillBot Al 8 Submit Answer & [Review Topics] [References] Use the References to access important values if needed for this question. How many grams of calcium acetate, Ca(CH3 COO)2, must be dissolved to prepare 250. mL of a 0.223 M aqueous solution of the salt? Q Search U * 8 Retry Entire Group K - C hp KA CJHLUSS Pura LSI dete TUF Ls que X O 8 more group attempts remaining 110 ►ll P PAI Mod 112 [ ✈ + 11 ins + prt sc 1 delete 4 backspace ^O64) O enter home num lock 7 home 4 ✰ ☐ end 3:37 PM 5/21/2023 004 A pg up 1/ 07 * X MEN pg dn 9 pg up COT +raw Hill C C Chegg - Get 2 MOTION EYE OWLv2 | Assig Submit Answer Content gagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator assignment-take OWLv2 | Orx Retry Entire Group [Review Topics] [References] Use the References to access important values if needed for this question. CengageNOW An aqueous solution is made by dissolving 17.2 grams of iron(II) chloride in 431 grams of water. The molality of iron(II) chloride in the solution is m. e 4 more group attempts remaining New Tabl D →1 D 2. Other BocHow much of the preservative is needed to prepare a 120-mL preparation of Aluminum hydroxide gel based on this formulation? Ammonium alum 800 g Sodium carbonate 1000g Peppermint Oil 0.01% (0.01 g/100mL) Sodium benzoate 0.1% (0.1 g/100mL) Purified water, qs ad.2000 mL a. 0.12 g b. 60 g c. 48 g d. 0.012 g