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1a. How many mL can you make diluting 5.23 mL of a 12.0 M stock solution of potassium sulfate to 3.00 M?
1b. What is the concentration of the diluted solution made when 78.2 mL of a 9.0 M stock solution of hydrochloric acid is diluted to 2.3 L?
1c. How many L of 1.0 M sodium hydroxide solution do we need to complete neutralize 3.2 L of 0.750 M phosphoric acid? (Note: sodium hydroxide reacts with phosphoric acid to produce sodium phosphate and water).
1d. How many L of 0.250 M sodium hydroxide solution do we need to completely neutralize 1.03 L of 0.500 M sulfuric acid solution? (Note: sulfuric acid reacts with sodium hydroxide to produce sodium sulfate and water).
1e. How many mL of 2.50 M calcium hydroxide solution do we need to complete neutralize 0.225 L of 2.50 M phosphoric acid? (Note: calcium hydroxide reacts with phosphoric acid to produce calcium phosphate and water).
magnesium ions can be precipitated from seawater by the addition of sodium hydroxide. how much sodium hydroxide in
Calculate the magnitude of the average force on a bumper that collapses 0.270 m while bringing a 840-kg car to rest from an initial speed of 1.9 m/s.
Calculate the wavelength associated with electrons accelerated by 6.00 × 103 volts.
Using the simple kinchin-Pease model, evaluate the number of atomic displacements per atom (dpa) of iron due to a monoenergetic neutron beam of 2MeV
Calculate the concentrations of NH4+ and NH3 and the pH in a solution prepared by mixing 22.0g of NaOH and 0.500L of 1.5 M NH4Cl. Assume that the volume remains constant.
The water level in the Carbon dioxide collection cylinder is higher than the water(H2O) level outside the cylinder.Is the wet carbon dioxide gas pressure greater or less than atmospheric pressure.
what is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased by 8.1 degrees celcius when 207 J of heat is added
A certain compound is a white solid with a melting point of about 780 deg C. When it melts it conducts electricity.a) What type of solid is this?b) In which solvent is it likely to be more soluble, water or CCl4. Explain.
Calculate the minimum pH needed to precipitate Mn(OH)2 so completely that the concentration of Mn2+ is less than 1 Microgram per liter
Calculate the amount of heat required to completely sublime 14.0 g of solid dry ice (Co2) at its sublimation temperature
A centrifugal pump has inner and outer impeller diameters of 0.5 m and 1 m, respectively, and a width of 0.15 m. The outlet blade angle is 65° . At 350 rpm, the volume flow rate is 4 m3/s.
Calculate the maximum Cu(2+) contamination os the acid in moles Cu(2+) per liter. What is the corresponding contamination if the hydrogen partial pressure is reduced to 10^-4 atm
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