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Consider a 100.0 mL of buffer solution that is 0.50 M CH3COOH and 0.50 M NaCH3COO. What is the pH of the solution after 10.0 mL of 1.0 M NaOH is added.
Calculate the heat released when 1.95 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
The calibration points for the Martian temperature scale are the usual melting point of ice and boiling point of water, which are assigned the values 0 °M and 80 °M. the normal body temperature of humans is 98.6 °F. What is this temperature in °M?
If the gas composition is 65% methane (CH4) by volume and 35% carbon dioxide (CO2) by volume, what mass, in kg, of each compound would be held within the container just at the release pressure
Backside attack on the bromonium ion by a bromide ion results in a trans products. The bromine is added to opposite sides of the carbon-carbon double bond.
The mole fraction of benzene in the solution is 0.590. Assumeing ideal behavior, calculate the mole fraction of toluene in the vapor above the solution.
Consider the reaction CaCN2 + 3H2O ->CaCO3 + 2NH3 . How much NH3 is produced if 187 g of CaCO3 are produced?
a 3.50 g sample of solid mgoh2 was treated with 50.0 ml of 0.500 m h2so4aq. after the reaction was over some of the
dissolving one mole of a non-volatile solute in 4 moles of a volatile solvent. If the vapor pressure of the pure solvent is 20 torr, what will be the vapor pressure of the solution.
What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous formic acid requires
A student evaporated 100.0 mL of a saturated TlCl solution and found the solid TlCl she recovered weighed
Ammonium nitrate is a common ingredient in chemical fertilizers. Use the reaction shown to calculate the mass of solid ammonium nitrate that must be used to obtain 0.200 L of dinitrogen oxide gas at STP.
what is the strongest intermolecular force in a liquid containing molecules
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