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A solution of calcium ions contains 7 meq/250. cm3 of calcium ion. How many moles of calcium ion does this solution contain
The solubility product of BaSO4 is 1.1 x 10-10. In a 0.1 M solution of Na2SO4 that is saturated with BaSO4, the Ba2+ concentration is closest to
What volume of 0.862 M KOH solution is required to make 3.75 L of a solution with pH of 12.8
concerning the applicability of the titration method, comment on if and how you could use it to determine ksp for each of the following: a. barium hydroxide c. copper(ii) iodate
1 oz of gold (density=19.3 g/ml) can be hammered into a sheet which would cover a 1.00 x 10^2 ft^2 area what is the thickness.
have a buffer solution composed of 4.00 mol of acid and 1.75 mol of the conjugate base. If the pKa of the acid is 2.20, what is the pH of the buffer?
To find the mass of water use the density of water = 1.0 g/mL. I have looked at multipule different solutions that have already been worked but have not been able to get the correct answer no matter how many different ways i got about getting it.
Molten carbonate fuel cells fueled with H2 convert as much as 60% of the free energy relased by the formation of water from H2 and O2 into eletrical energy.
How many grams of alum can be obtained from 20.0 g of aluminum when the reaction proceeds with 100% yield? How many grams of alum would be obtained if the reaction were to proceed with 80.0% yield
A L flask is filled with 1.35 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm.
A chemist wants to prepare a solution with a freezing point of 22.0°C and has 100.00 g of glycerol on hand. What mass of water should the chemist mix with the glycerol?
The ester ethyl p-nitrobenzoate is more reactive towards nucleophilic acyl substitution than ethyl p-methyoxybenzoate. Explain the reactivity difference
If 5.20mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of 0.1000 M HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
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