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If 5.97 ml of a solution contains 2.54 mg of sodium ion, what is the molarity of the sodium chloride solution?
Using electronegativity arguments, classify the following diatomic molecules as nonpolar (N), polar (P), or ionic (I). (Use the drop down menus to choose your answers
a sample of oxygen gas is collected over water at 25 degrees c and a total pressure of 637 torr. the volume of the gas
Mendeleev ordered the elements in his version of the periodic table on the basis of atomic masses instead of their atomic numbers. why
The pH of rainwater in a polluted area was found to be 3.50. What is the H+ concentration
What is the pH of buffer that consist of 0.20 M NaH2PO4 and 0.40 M Na2HPO4? Ka=6.2x10^-8
Which carbons release during the first turn of the TCA cycle. And then second turn of the cycle. Details and structures would be very helpful.
septic tank has a pH of 6.90 and HCO3- concentration of 8.25 mmol L-1. Calculate the partial pressure of carbon dioxide in the associated soil atmosphere.
Given that the enthalpy of formation is -277.7 kJ/mol for C2H5OH(l) and -393.5 kJ/mol for CO2(g), find the enthalpy of formation for C6H12O6.
A stock solution is prepared by adding 20 mL of 1.21 M AlCl3 to enough water to make 72 mL. What is the Al3+ concentration of 30 mL of the stock solution
What is the mass of water in 1m^3 in air having a termperature of 32C and relative humidity
Because the turnover number for both substrates is nearly identical, what factors might be involved that explain the different ratio for the two substrates?
Would it be a good idea for a person to take a couple of aspirin tablets before attending a cocktail party? Explain your reasoning. This needs to be from a chemistry stand point.
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