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Solution A contains 29.541 millimoles of 0.09847 M of acetic acid (HOAc) and 34.51 millimoles of 1.0 M of sodium acetate (NaOAc). Solution B is made by 10 mL of Solution A + 90 mL of boiled water.
What is the millimoles and concentration of HOAc and NaOAc in solution B?
A sample of ethanol (C2H5OH) has a mass of 38.6 g. How many carbon atoms does the sample contain?
write a detailed mechanism for the reaction of salicylic acid with acetic anhydride showing clearly the function of the catalyst,
Calculate the grams of potassium iodate, KIO3 (FM 214.00) required to react with 25.0mL of a 0.0700M solution of sodium thiosulfate, Na2S2O3
The bottom of a box has a surface area of 25.0 cm2. The mass of the box is 34.0 kilograms. Acceleration due to gravity at sea level is 9.80 m/s2. What pressure is exerted by the box where it rests?
Calculate what will be the amount of heat, q, absorbed by the calorimeter apparatus also express your answer in kJ? (heat capacity = 2.677 x 103 J/K)
Leucine is an essential amino acid with the systematic name 2-amino-3-methylpentanoic acid. It has pKa1=2.36 and pKa2=9.60
Explain possible reason for discrepency between the actual pH of the buffer and the reported pKa of the weak acid. (My case: actual pH =9.23, reported pKa =9.25)
A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid?
Determine the collision frequency at room temperature and compare this with the rate constant and teh Arrhenius parameters determined above.
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams.
the mass loss of the iron nail was 1.511. How many moles of iron were converted to Fe3+?
In the formation of dibenzalacetone, do you expect the configuration of the double bonds in this compound to be E,Z, or a mixture of both? WHY?
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