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find theoretical yield (g and mol) and percent yield please
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- At -28 C sodium bromide and water from a eutectic mixture which contains 48 % NaBr by weight. What is the maximum weight of pure NaBr that can be recovered from a mixture containing 80 g NaBr and 20 g water? a. 33.3 g b. 28.6 g c. 66.6 g d. 40 gCan you help me determine the required amount of 500mg ascorbic acid tablets to puverize the necessary amount of distilled water to make the desired concentration of stock solution (0.1M) Show complete and justifiable computations pls.Prepare 750 mL of 6.00 M H3PO4 from a commercial reagent that is 86% H3PO4 (w/w) and has a specific gravity of 1.71
- What is the weight percent of toluene in a mixture of toluene and n-heaxne that has a spevific gravity of 0.832A 18 g of unknown organic sample was dissolve in 756 mL of benzene. The boiling point of benzene was increased by 3.36oC. As the first step of analysis, determine the moecular weight of the unknow sample? Kb of benzene= 2.64oC/m Bb of benzene = 80.09 oC density of benzene = 0.874 g/mL at 25 °C Answer in whole number, no units required.KSP for Calcium hydroxide is: 7.9 × 10-6 KSP for Calcium Chromate is: 7.1 × 10-4
- 19 g of unknown organic sample was dissolve in 640 mL of Dicloromethane (DCM). The boiling point of benzene was increased by 3.78oC. 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 °C Round your answer to the nearest whole number, no units required.Chloroform liniment contains 30% (v/v) of chloroform. How many mL of chloroform liniment can be prepared from 1 lb (AV) of chloroform (sp gr. 1.475)?If 850 mL of syrup with a specific gravity of 1.5 contains 500 g of sucrose, what is itspercentage strength (w/w)?