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A 0.4430 grams sample of impure sodium nitrate was heated, converting all the sodium nitrate into 0.2864 grams of sodium nitrite and oxygen gas, Explain how to determine the percent of sodium nitrate in the original sample?
What is the chemical formula of strontium nitrate. Strontium is in what group on the periodic table
525mL of 1.50M NaCl is added to a beaker containing 378mL of 2.22M AgNO3, resulting in the formation of AgCl precipitate.
Compute the vapor pressure at 25 °C if it is given that the density of H 2 O=0.9971 g/mL , vapor pressure of H 2 O=23.76 torr, molar mass of sucrose, = 342.3 g/mol,
Use the de Broglie relationship to determine the wavelengths of the following objects: an lithium atom moving at 2.5*10^5m/sUsing Heisenberg's uncertainty principle,
A piece of metal of mass 22 g at 92C is placed in a calorimeter containing 53.7 g of water at 21C. The final temperature of the mixture is 55.3C. What is the specific heat capacity of the metal?
calculate the concentration in molarity of a NaOH solution if 25.0 ml of the solution are needed to neutralize 17.4 ml of a .312 M HCl solution.
Write the schematic shorthand notation chemists use to represent electrochemical cells for a cell where the anode consists of solid copper immersed in a 0.0100-M solution of copper (II) nitrate and cathode consists of solid silver immersed
special eye drop solution for a glaucoma patient must have a 2 active ingredient a pharmacist is to prepare 15ml of it
Draw a circuit diagram that has two resistors in series with a DC voltage source. If resistor one (R1) is 758 kohms and resistor two (R2) is 712 kohms, then what is the current flowing through the circuit if the voltage is 8.49 V?
Butanoic acid has a partition coefficient of 3.0 favoring benzene when distributed between water and benzene. Determine the formal concentration of butanoic acid in each phase when 100mL of 0.10 Maqueous butanoic acid is extracted with 25mL of ben..
A 32.65-g sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 54.00 mL
When Cl2 is used as water disinfectant, the following reactions should be used to determine the concentration of different species.
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