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A 1 M solution of both KH2PO4 and K2HPO4. you want to make 100 ml a 50 mM potassium phosphate buffer with a pH pf 7.3. Explain how you would make the buffer.
A dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.124 g sample was studied by combustion analysis, 0.223 g of CO2 and 0.0301 g of H2O formed. How many moles of e..
Question- The pKa of benzoic acid is 4.2, whereas that of carbonic acid, H2CO3, is 6.4. On the basis of this information, would aqueous sodium bicarbonate be sufficiently basic to deprotonate benzoic acid? Explain your reasoning.
Why couldn't you use IR instead of NMR to determine the diasteroselectivity of the reduction of 1S camphor. What is another instrumental method.
A titration experiment requires 16.5 mL of 1.58 M HCl to reach the endpoint with 25 mL of LiOH. What is the molarity of the LiOH solution
It required 50.00 mL of 0.1565 M KMnO4 to titrate 2.878 g of the solution containing hydrogen peroxide. What was the mass percentage of H2O2 in the solution
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 8.0×10-2 M NaOH. A:lactic acid
Calculate the temperature in (K) where the specific heat of carbon dioxide is 0.93 kJ/kg*K if the temperature dependence of the specific heat is given by
A sample of sodium reacts completely with 0.497 kg of chlorine, forming 819 g of sodium chloride. What mass of sodium reacted
Advantages and disadvantages of using Alternative Fuel and Would you consider buying one of these in the future? Why or Why Not and Why do you think there are not more of these vehicles in use?
A certain automobile of mass 1920 kg travels on a German autobahn at 120 km/h. What is the wavelength of the automobile?
Propose an experiment to convert 2, 4-dimethyl-3-pentanol to 2, 4-dimethly-3-chloride utilizing HCl and ZnCl2. Parts of the experiment comprise reaction, separation and purification/analysis.
A 354 gram sample of C6H12O6 has a pressure of 648 torr at 31°C. What is the volume (L) of the container?
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