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What is the solubility in pure water of Ba(IO3)2 in moles per liter at 25 ?C? [Ksp (25 ?C) = 6.0 x 10-10]
Calculate the number of grams in each of the following: 0.520 mole NaCl 1.80 moles Na2C 0.250 mole H2O 4.10 moles CO2
Plutonium- 239 decays by alpha emission. Calculate the energy emitted when 2.00mg of Pu-239 decays in this manner
Why is a large steroid molecule able to cross the cell membrane when a small molecule cannot?
What is the concentration of [Cr2O7 ^-2] in the first dilution add that is made by adding 1.00 mL of DI water to 5.00 mL of the stock potassium dichromate solution?
The second time, 1.3mL is added to reach the end point. How would I calculate the molarity of the hydroxide ion (OH-) for the two tests
how much potassium chlorate in needed to produce 20.0mL of oxygen gas at 670mm Hg and 20 degrees celcius?
How many mL of each of 0.10 M lactic acid solution and 0.10 M NaOH solution are needed to make 800 mL of a buffer of pH 3.50?
What concentration of [Cu2+] is in a 1.0 L solution that is 0.0010 M CuCl2 and 0.10 M NH3. The formation constant of [Cu(NH3)4]2+ = 1.7 x 10^13.
A 32.0-g sample of water at 290. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
what is the ph solution obtained by mixing 25.00 ml of 0.250 ml HCl and 25.00ml of 0.125M NaOH
0.250 g of a binary unknown acid, HX, requires 31.96 mL of a 0.09668M NaOH solution when titrated. What is the identity of the unknown acid.
175g of water was heated from 15c to 88c. how many calories were absorbed by the water
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