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Im doing an experiment that requires me to turn milk into plastic. My hypothesis is " as the amount of vinegar increases the amount of casein plastic produced increases as well. The question is, i know that the control variable is vinegar but how do i test the control group to compare results and how to calculate the percent yield?
Question- Enough of the monoprotic acid is dissolved in water to produce a 0.0134 M solution. The pH of the resulting solution is 2.37. Calculate the Ka for the acid.
What is the color of the solution when the indicator is added and what is the color of the solution when the endpoint is reached?
Question- You are asked to go into the lab and prepare an acetic acid-sodium acetate buffer solution with a pH of 4.30 +/- 0.02. What molar ratio of CH3COOH to CH3COONa should be used
What is the total alkalinity of water in mg/L as CaCO3. Determine the species and the quantity of each of the species if the pH 8.3 equivalent point is reached after adding 15mL of acid.
Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount available from pure gasoline
Atkin's Physical Chemistry 9th edition. 10.14a. The ionization energy of Xe5p and F2p electrons are 12.1eV and 17.4 eV, respectively. Calculate the energies and composition of the bonding and antibonding orbitals of XeF. Use beta=-1.5eV and S=0.
Calculate the number of carbon atoms in 0.75 L of acetone (CH3COCH3). (density = 1.3 g/mL and boiling point = 48.5 degrees Celsius)
The pH of a 0.010 mol L-1 solution of a weak monoprotic acid is 2.09 at 25oC. What is the pKa for this acid?
Problem- Which of the following general electron configurations would correspond to an ad with four valence electrons a, ns^2 np^2 b, ns^2 np^4 c,ns^2 (n-1)d^4 d,ns^2 (n-1)d^10 np^4
Question- Calculate the pH and the pOH of an aqueous solution that is 0.035 M in HCl(aq) and 0.090 M in HBr(aq) at 25°C.
what is the freezing point in celsius of a solution prepared by dissolving 6.20 g of mgcl2 in 110 g of water? the value
Problem- Write the steps in the mechanism for the acid-catalysed esterification of ethanoic acid with propanol.
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