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A student weighs out 0.675g of KHP (molar mass = 204 g/mol) and titrates to the equivalence point with 36.78 mL of a stock NaOH solution. What is the concentration of the stock NaOH solution? KHP is an acid with one acidic proton.
Explain PH and Biochemistry, Determine the weight in grams of sodium dihydrogen phosphate (M.W.138.01) and disodium hydrogen phosphate (M.W 141.98) needed to prepare 1L of a standard buffer at pH 7.00, with a total phosphate concentration of 0.100..
How many hydrogens does an alkane with 17 carbons have How many carbons does an alkane with 74 hydrogens have Draw the structure and give the systematic name of a compound with molecular formula C5H12 that has
Draw the possible side products that may occur in the bromination of trans stilbene by pyrdinium perbromide
calculate the volume of 0.540 m sodium hydroxide solution contains 11.5 grams of sodium hydroxide?nbsp considering the
You extrapolate this "cooling curve" back to the time of addition and find that the "final temperature" after mixing is 35.6 °C. What is the heat capacity of the calorimeter cup
the combustion of octane c8h10 with molecular ocygen is an exothermic reaction that produces carbon diocide and water.
which is known to change the activation energy of the process by 1.5 kJ. What will the rate of the reaction be with the catalyst when [A] = 0.0757 M at 315 K? Assume that the Arrhenius factor for this reaction has been determined to be 0.673 s-1.
The ideal gas law (PV=nRT) provides relationships among pressure, volume, amount, and temperature of a gas inside a container. If the Kelvin temperature in a container is doubled, which of the following changes may occur?
discuss the purpose of continuously heating and then cooling the material in the process of polymerase chain
milk of magnesia is an over the counter pharmaceutical preparation used as a laxative and for heartburn. it can be
If you add a solvent called "dioxane" to water, a homogenous mixture forms. Dioxane and water have the same boiling point (100oC). How do you explain that the mixture of the two compounds shows a boiling point that is lower than the one found for ..
3.953g of egg shell was reacteed with 50ml of 0.1 mol/l hcl and shel contains ca2co3 after all the sheell reacted resultign solution was placed in a columetric flask and th colume made up to be 100ml.
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