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- 1-A bottle of Na2EDTA.2H2O is labeled with an assay of 100.5%, what is this implied?What is the result of heating to 100 ºC?If Compound Y is characterized by having a melting point of 124°C under normal atmospheric pressure. Determine which of the following samples (VWXY) is high likely to contain the highest % of Compound Y? Sample W (114-122°C) Sample V (126-131°C) Sample Y (121-123°C Sample X (119-120°C)I asked this question earlier but I think I forgot to include a conversion wht we know : mm of citrix acid = 192.14g/moldensity of citrix acid =166g/cm3 1 lime = 2tbsp of juice = 6 tsp 1tsp = 4.929x10-3L Q: assume citrix acid makes up 7.96% by volume of the lime juice . How many moles of citrix acid are in the recipe ( calls for 1 lime juice)
- When performing arecrystallization, slocent with a boiling point less must be use than the melting point of the compound being recrystallized. For benzil ( m.p.94-95C) which solvent would be best for this recrystallization? toluene (b.p. 110C) H2O (b.p.100 C) ethane( bo -98) methanol(bp64.7)Dodecane C12H26 is burned at constant pressure with 150% excess air. What is the air-fuel for this process.What states of matter present in t2-t3, help please.
- What is the weight percent of toluene in a mixture of toluene and n-heaxne that has a spevific gravity of 0.832Explain the reasons for the importance of crystallization step involved in the manufacturing of bulk drugs?In what order should the following methods be used to separate a mixture containing sand-sugar-alcohol and water into its components? 1) Adi distillation II) Fractional distillation HII) Filtration under vacuum B. II, I, II C. III, I, II D. 1, III, II E III, II, I
- Prepare 750 mL of 6.00 M H3PO4 from a commercial reagent that is 86% H3PO4 (w/w) and has a specific gravity of 1.71Consider the following three compounds:a. Which compound do you predict should be the most soluble in H2O? Explain.b. Which compound do you predict should have the lowest surface tension? Explain.c. Which compound should travel the lowest on a TLC plate using silica? Three compounds are HF, CF4, and CH2F2Naphthalene, C10H8 is insoluble in water but sublimes easily when heated. How could you separate a mixture of naphthalene and NaCl? Suggest two different methods. asap
