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Question 1: What volume (in mL) of a solution 0.183 M in Ca(OH)2 must we use to neutralize 28.7 mL of a solution 0.385 M in H3PO4.
Question 2: We have 2.80 L of an aqueous NaBr solution. We add an excess of AgNO3. We form 9.53 g of AgBr(s). What was the initial concentration of Br- (in mol/L) in this aqueous NaBr solution?
Question 3: What is the pH of a 0.109 M solution of the acid HA if its ionization constant, KA, is 0.39.
If you have a 750 ml flask that contains 1.235g of C5 H11 NO3 that is heated to 118.5 degrees C what is the pressure inside the flask
Determine the iron concentration in the standard solution
a buffer is prepared by mixing .200 mole of formic acid with .300 mole of sodium formate in a volume of 200 ml what is the initial ph.
What is the value of the equilibrium constant for transformation of carbon from graphite to diamond at 810.0 C?
Complexes of a given metal with ligands higher in the spectrochemical series like CN- will display _______ crystal-field splitting and will absorb light towards the ____ end of the spectrum.
Which of the following terms define(s) an acid according to the Bronsted-Lowry theory?
Vinyl chloride (H2CH=CHCl), the starting material from which PVC polymer is made, has a Henry's law constant of 0.091 mol/(L.atm) at25 C. Explain what is the solubility of vinyl chloride in water (in M) at25 C as well as a partial pressure of 0.75..
At constant volume, the heat of combustion of a particular compound is -3698.0 KJ/mol. When 1.895 g of this compound (molar mass=181.06 g/mol) was burned in a bomb calorimeter
A beaker with 160 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.40 mL of a 0.400 it M HCl solution to the beaker. How much will the..
What mass of Ar gas (in g) is contained in a 6.40 L tank in which its pressure is 0.703 atm and the temperature is 64.0°C? Do not enter units.
My lab is of an iodine clock reaction. I am being asked to calculate the initial rates for experiments 1, 2, and 3 from delta [S2082-]/ delta time. I know how to use the initial rate method however I am confused on how to obtain the initial concen..
a volume of 95.0ml of h2o is initially at room temperature 22.0 c. a chilled steel rod at 2.00 c.is placed in the
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