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What weight of sodium carbonate (Na2CO3) and sodium bicarbonate (NaHCO3) are required to make 500 mL of 0.2 M buffer, pH 10.70 (pK1 of H2CO3 is 6.10; pK2 = 10.30)?
How tdo you rotate fischer projections to figure out if they are D/L configurations. I know the difference between D/L but unsure of how to rotate them! Please you examples of D/L-Alanine
If the protein has a molecular weight of 15,000, express its initial concentration in umoles/ml and in umoles/ul. If we want 2 umoles of the protein for a reaction, how much of the original solution do we need
In the information of smog, nitrogen and oxygen gas react to form nitrogen dioxide. How many grams of NO2 will be produced when 2.0 L of nitrogen at 840 mmHg and 24 degrees C are completely reacted
caffeine is a stimulant found in coffee and tea . a solution of caffeine in chloroform as a solvent has a concentration
BUild on this by writing out of a chemical equation for the reaction you expect 2 propanol will undergo. Write only the organic reactions and products and write them as structural formula.
An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group two was given a sugar pill. The sugar pill serves as a(n).
When the three elements P, Cl, and As are arranged in order of increasing atomic radius, which is the correct order
the vapor pressure of pure water at 25 degc is 23.8 torr. what is the vapor pressure torr of water above a solution
When a charge transfer electrode reaction occurs at a very slow rate, the concnetration on the surface of the electrode is ____ than the bulk concentration.
write contributing important resonance structures for each of the followingcompounds and predict their relative co
Determine the mass of 100 mL of solution for this reaction: the results were 2.05 g of NaOH, 102.05 grams (total solution-when added with the water).
What is the compounds molar mass if the density of a gaseous compound of phosphorous is 0.943g/L at 474K when its pressure is 728 torr.?
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