What is the theoretical yield of isopentyl acetate if 0.50mL of 10.0M acetic acid reacts with 0.85mL of isopentanol? CH3CO₂H (aq) + HOCH₂CH₂CH(CH3)2(aq) → CH3CO₂CH₂CH₂CH(CH3)2(aq) + H₂O(1) Acetic acid isopentanol isopentyl acetate
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- Potassium acid phthalate, KHC8H4O4 ( MM=204.2 ), reacts with sodium hydroxide on a 1:1 molar basis. A sample of the acid weighing 0.4823 g was titrated with NaOH, requiring 24.35 mL to reach the endpoint. Calculate the molar concentration of the sodium hydroxide solution.You are asked to create a 0.35 M solution of calcium chloride (CaCl2) using a 250.0 mL volumetric flask. a.You have two solvents, difluoromethane (CH2F2) and ethanol (C2H5OH) available to dissolve your CaCl2. Which solvent would be more appropriate to use? Justify your response in 2 sentences or less.a 25.00 mL aliquot of vinegar was diluted to 250 mL in a volumetric flask. Titration of 50.00 mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) of acetic acid (MM:60g/mol). Consider the correct significant figures of your answer and do not forget the unit.
- Following titration analysis, a sample of a fruit juice was found to contain 8.9 mg cm-3 ascorbic acid. Given that the Mr value for ascorbic acid is 176.1 Da, calculate the value of the ascorbic acid concentration expressed in units of mmols dm-3 then enter itWhich of the following is the gravimetric factor formula for the following pair of substances? FW stands for formula weight. Choices are attached below. Sought-for Constituent Substance Weighed ZnO Zn2P2O73What is the ratio strength of benzalkonium chloride in a nasal spray that contains 125 µg/mL of the ingredient? a 1:8 b 1:80 c 1:800 d 1:8000
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- If the equilibrium constant for A + B ↔ C is 0.208, then the equilibrium constant for 2C ↔ 2A + 2B isA sample containing chlorophenol, C6H4ClOH, was analysed by gravimetric analysis. A 0.783-g of this sample goes through a chemical process allowing the chlorine in the chlorophenol to precipitate as silver chloride, weighing 0.271 g. Calculate the % (wt/wt) of the chlorophenol in the sample, assuming that chlorophenol is the only source of chlorine in the sample. Provide your answer to two decimal places and without units. Avoid using scientific notation.2. A pharmacist dissolves the contents of eight (8) pcs of Clindamycin 250 mg capsules, into a sufficient amount of astringent to prepare 120mL of solution. What is the percentage strength (w/v) of clindamycinin the prescription? 3. How many milliliters of a solute should be used to prepare 1 pint of a 15% (v/v) lotion? 4. What is the molarity of a solution that is prepared by dissolving 10g Potassium chloride in enough water tomake 500mL of solution? 5. Express in percentage the fluoride concentration in drinking water given in 0.6 ppm. i need help:(( with complete solution pls