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Write ionic equations that illustrate how each pair of compounds can serve as a buffer pair. Do not include physical states and use the smallest possible integer coefficients.
A.) H2CO3 and NaHCO3:
Adding H+
Adding OH-
B.)H2CO3 and NaHCO3:
C.)NH4Cl and NH3:
a 0.0539 g sample of iron sulfate was dissolved in dilute hcl and treated with 10 bacl2 solution. the baso4 precipitate
Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty. You could use either of the two options given below.
What mass of sucrose should be combined with 541 of water to make a solution with an osmotic pressure of 8.30 at 295 ? (Assume the density of the solution to be equal to the density of the solvent.)
Given the acid is diprotic and its pKa is 1.90 and 6.70, estimate the PH after 10 mL of base are added? After 20 mL basea added? After 30 mL Base added?
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
how long will it take for the concentration of A to decrease from 1.0 M to 0.25 M? If [Bo] = 1.5 M, what will be the concentration once [A] = 0.25 M?
When H2 gas is formed from naturally occurring hydrogen, what percentages of the molecules have molecular weights of approximately
A 14.824g rock is placed in a graduated cylinder containing 45.8mL of water. Calculate the density of the rock if the water level rises to 55.2mL.
Excess sodium sulfate is added to exactly 50 mL of a solution containing an unknown amount of silver(I) cation. Determine the concentration of the silver ion in this solution if 3.54 mg of a solid is isolated.
How many microcoulombs are required for complete oxidation of glucose in 0.300 microliter of blood in a home glucose monitor if the concentration is 1.00 g/L
burning 480 cm3 of propane measured at r.t.p,caused the temperture of 250 cm3 of water to increase by 42.5 celsius. calculate the heat of combustion of propane.
the energy carried away by one mole of potassium is 295KJmol^-1. What is the wavelength of a single photon? What is the color of this light emitted
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