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How much HCl must be added to a liter of buffer that is 1.5 M in acetic acid and 0.75 M in sodium acetate to result in a buffer pH of 4.07?
2.00 x10^2 mL of .500 M HCl is mixed with 2.00 x 10^2 mL of .250 M Ba(OH)2. how many moles of water are produced in the reaction
If 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia?
If 120.9 mL of water is shaken with a gas at 0.860 atm, it will dissolve 0.00286 g of the gas. Estimate the Henry's law constant for the gas in water in units of g L-1 atm-1.
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Which of the isomers of octane has only two peaks in its 13C NMR? Draw the structure of the alkane. 2. Draw the structure of the C4H9Cl isomer given the following proton NMR data:
An aerosol spray can with a volume of 270 ml contains 3.0 g of propane gas as propellant. what is the pressure in atms if the can is 20 degrees celsius?
Maria wants to plant a small tomato garden in her yard. She bought 25 tomato plants, and she has read that ideally tomatoes are planted in a square grid
Write a balanced equation for the single-replacement oxidation-reduction reaction described, using the smallest possible integer coefficients
Assuming the solution has a heat capacity of 4.18 J/°C · g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
What are the mole fractions of ethanol and water in a solution prepared by mixing 55 mL of ethanol with 45 mL of water at 25 degrees celsius
what steps are needed to prepare phenylacetylene from C6H5CH2CH2Br I chose the following reagents 1. H2SO4, 2. Br2, 3. NaNH2/excess (were correct) and simply require to draw the intermediate
if molarity of a 2000ml solution is 4.0M NaCl, how many moles of NaCl are dissolved in that solution.
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