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Problem- A) You are asked to prepare a 500.0 mL of a 0.750 M iron (III) chloride solution from a bottle that contains that solid. How many grams of iron (III) chloride would be needed to make this solution? Show work please.
B) = 0.016 L
C) A student obtains 25.0 mL of a 5.00M solution of HCl in a large beaker. The student then proceeds to add 400.0 mL of distilled water to the solution in the beaker. What is the concentration (molarity) of the diluted solution in the beaker?
Extra Question for maximum points
A solution is made by dissolving 3.00 grams of potassium nitrate (KNO3) in 500.0mL of water. Calculate the total concentration (Molarity) of ions in this solution
Please answer only if you are 100% confident
copper has two isotopes:cu-63 (abundance= 69.2%, mass= 62.930 amu) and cu-65 (abundance= 30.8% mass= 64.428 amu). calculate the (average) atomic mass of copper.
A major component of gasoline is octane (C8H18) . When octane is burned in air, it chemically reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water (H2O).
The volume percentage of CO2 in a mixture of that gas with N2 was determined by bubbling the mixture at 1.00 atm and 25*C through a solution of 0.0100 M NaHCO3 and measuring the pH. If the equilibrium pH was 6.50, what is the volume percentage of ..
Sketch all steps in the synthesis of each of the subsequent compounds using only organic starting material given plus any needed organic/inorganic reagents.
The mixture is cooled to the temperature of liquid nitrogen at which ammonia freezes out and the remaining gas is removed from the vessel. Upon warming the vessel to 0.00°C and one atm, the volume is 98.7 cm3
What is the temperature change If 84 joules of heat are added to a pure gold coin with a mass of fifteen grams? It is given that the Specific heat capacity of Au= 0.128
Question- Show that the total energy eigenfunctions Psi210(r, theta, phi) and Psi211(r, theta, phi) are orthogonal. Do you have to integrate over all three variables to show that the functions are orthogonal?
a piston pump containing 2 liters of nitrogen gas at 2000 psia pressure empties its entire contents into a 10 liter
Consider the chemical reaction 2NH3(g) N2(g) + 3H2(g). The equilibrium is to be established in a 1.0 L container at 1,000 K, where Kc = 4.0 ? 10-2. Initially, 1,220 moles of NH3(g) are present. Estimate the equilibrium concentration of N2(g).
the following ions contain the same number of electrons. rank them in order of decreasing ionic radii.rank from largest
Assuming that the microwave ovens emit radiation with a wavelength of 12.2 cm, calculate how many photons are emitted per second in a 1000-Watt microwave oven.
Given this information, what is the order of reaction with respect to A and with respect to B? What is the value of the rate constant
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