ow many mL of sterilized water must be added in a 100 mL prescription containing 0.06 g of Ephedrine sulfate (E = 0.230), 0.30 g of another agent (E = 0.52) and sterilized water (qs ad.) to make it isotonic using White Vincent method?
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How many mL of sterilized water must be added in a 100 mL prescription containing 0.06 g of Ephedrine sulfate (E = 0.230), 0.30 g of another agent (E = 0.52) and sterilized water (qs ad.) to make it isotonic using White Vincent method?
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- Which of the following methods of preparing 0.0010M HCl solution from 1.0M stock HCl Solution willyield the smaller overlall uncertainty? a. A one step Dilution that uses 1mL(±0.006) pipet and 1000mL(±0.30) Volumetric Flask, or b. A two-step dilution that uses 20mL (±0.03) pipet and a 1000mL(±0.30) volumetric flask and a25 mL (±0.03) pipet and a 500mL(±0.20) volumetric flask for second dilution.If 5 teaspoonfuls of a 10% w/v povidone-iodine solution were diluted to 2 quarts with purified water, what would be the ratio strenght of the solution? (** Please show traditional method and not C1V1=C2V2 method**)How many mL of isotonic solutions (eg. 0.9% NaCl) must be added in a 100 mL prescription containing 0.06 g of Ephedrine sulfate (E = 0.230), 0.30 g of another agent (E = 0.52) and sterilized water (qs ad.) to make it isotonic using White Vincent method?
- How many mL of isotonic solutions (eg. 0.9% NaCl) must be added in a 100 mL prescription containing 0.06 g of Ephedrine sulfate (E = 0.230), 0.30 g of another agent (E = 0.52) and sterilized water (qs ad.) to make it isotonic using White Vincent method? 83 mL 19 mL 17 mL 81 mLwhy would you add 10 mL of concentrate to 490 mL of water if you were instructed to dilute the concentrate 1:50 with water and you were was using a bottle with a 500 mL capacityAn organic compound has a distribution coefficient of 1.5 in methylene chloride and water. If 50 mg of this compound is dissolved in 15 mL of water, in which case will more of the compound be extracted into the methylene chloride: one extraction with 15 mL of methylene chloride or three extractions using 5 mL of methlene chloride each time? Show all work.
- If 500 mL of a 15% v/v solution of methyl salicylate in alcohol is diluted to 1500 mL, what is the percentage of strength v/v? 10% 5% 20% 2.5%15 g of unknown organic sample was dissolve in 575 mL of Dicloromethane (DCM). The boiling point of benzene was increased by 3.40oC. Determine the molecular weight of the unknown sample? Kb of DCM = 2.42oC/m Bb of benzene = 39.6 oC density of benzene = 1.33 g/mL at 25 °C1. Why should the stopper always be removed from a separatory funnel whenever a liquid is being drained through the stopcock?2. The distribution coefficient, KD (ether/water), between ether and water for aspirin at room temperature is 3.5. What weight of aspirin would be extracted by a single extraction with 60 ml of water from a solution of 10 grams of aspirin in 100 ml of ether? Calculate the weight of aspirin which would be removed by three extractions with 20 ml portions of water.
- calculate the weight of Sodium carbonate normality 0.1 N and prepared -1 * ? with 100 ml distilled water, given that the molecular weight was 106 gmConsider 15 mL of an aqueous solution containing 2.0 g of an organic solute. If the distribution coefficient for the solute between ether and water is 20, calculate the percent of the compound that can be recovered with a single extraction with 13.3 mL of ether. to two significant figures.Prepare the following solutions: 100.0 mL 0.0500 M stock Ca2+ solution 50.0 mL 0.0050 M working standard Ca2+ solution from 0.0500 M Ca2+