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You are asking to make a buffer with a pH of 3.6. Explain which of the following acids would be the best for this task?Selected Ka values:
Acetic: 1.76E-5
Ammonium Ion: 5.7E-10
Chloroacetic: 1.4E-3
Formic Acid: 1.77E-4
Give calculations for explanation
For this lab, we had to separate 3 mixed compounds by means of simple distillation. After performing simple distillation, how do we determine the volume (or size) of the combined pure fractions for each of the three components
sample of an alloy at 93.0 degrees Celsius is placed into 50.0 g of water at 22.0 degrees Celsius in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the system is 31.1 degrees Celsius, what is the s..
Write a chemical equation for the reaction of an aqueous solution of sodium stearate with each of the following
Reactant: water and 2.51 g of SbCl3 Product: 1.906 g of a solid of antimony, oxygen and chlorine, and 0.802 g of a single gas that is 97.20% chlorine and 2.75% hydrogen What is the empirical formula of the gas and the solid
How many grams of lanthanum chloride LaCl3 must be added to 1 kg of water to lower the freezing point of water by 1.1 degrees C?
Explain why is that based on your understanding of the forces that maintain the native conformation of proteins.
Draw major organic product of- Hexanoyl chloride & 2 equivalents of methyl amine (H2NCH3)
Based on the stoichiometry, at what point does the limiting reactant change? show calculations to support your answer. The volume of acid HCL (10mL) is constant and mass of metal Mg (0.250g) is constant.
The mass percent of urea (formula CH4N2O) in a solution prepared by dissolving 16g of urea in 39g water is: a). 29% b). 0.29 % c). 16% d). 71%
Consider the reaction of phosphorus and nitric acid. Determine how the oxidation number of phosphorus changes during this reaction. The phosphorus compound formed is phosphoric acid.
170mL of an HCl solution with pH of 2.80 is added to 200mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
Write the correct net ionic equation for the reaction that occurs when aqueous solutions of potassium hydroxide and hydroiodic acid are combined. include states
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