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What is the molarity of a HCl solution if 5.00 ml is neutralized by 28.6 ml of a 0.145 M NaOH solution?
NaOH(aq) + HCl(aq) → NaCl(aq) + H2O
Formic acid, HFor, has a Ka value equal to about 1.8 * 10^(-4). A student is asked to prepare a buffer having a pH of 3.60 from a 0.10 M HFor and a 0.10M NaFor solution. How many milliliters of the NaFor solution should she add to 20 ml of the 0.1..
Using acetylene as your ONLY source of carbons, show how you would synthesize the following compound. Note: any alkyl halides, alcohols
Write the structures of all the alkenes formed from the E2 elimination of HX (dehydrohalogenation) of the compounds using alc KOH and heat. Identify the major product.
Calculate the change in pH when 9.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
If the measured cell potential is 0.95 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion concentration in the anode compartment.
Describe how you would make 1 L of buffer with a pH of 5.00 using only pure materials and deionized water so that the total concentration of the conjugate acid/base pair is 0.200 M. Give the amounts of the pure materials in grams if they are solid..
Calculate P,V and T for initial and final states of each process and produce a plot of the two processes on a P,V diagram. Without resorting to equations, explain why the result for part (b) is greater than or less than the result for part (a).
A diet soda contains 0.5% sodium, 0.25% potassium and 0.6% aspartame. Can you please show me how to calculate how many grams of each you would consume by drinking a 100 mL can of soda.
Briefly explain why you would expect benzoic acid to be soluble in the two solvents water and dicloromethane
Using standard molar entropy values, calculate delta standard molar entropy values for the following reactions. In each case account for the sign of delta standard molar entropy.
the molecule 2,2-dimethylheptane, draw Newman projections of the most and least stable forms of 2,2-dimethylheptane, viewing doen the C3-C4 bond, label th energy vs conformation angle diagram
At what radius does the probability of finding an electron at a point in the H atom fall to 50 per cent of its maximum value
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