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A 5.00ml sample of a nitric acid solution is titrated with 33.5ml of 0.201M NaOH. What is the molarity of the nitric acid solution?
how many grams of Na2CO3 (FM 105.99) should be mixed with 5.00 g of NaHCO3 (FM 84.01) to produce 100ml of buffer with pH 10.00.
calculate delta s values for following reactions. in each case, account for the sign of delta s. a) C2H4(g) + H2(g) ---> C2H6(g)
What volumes of 0.150 M acetic acid and 0.065 M NaOH solutions must be mixed to prepare 1.00L of a buffer solution of pH 4.50 at 25C.(Show all work for 5 stars)
What is the nucleus with which an alpha particle can react to produce Lanthanum-133 plus four neutrons
Calculate the activity for CS2 at mole fraction CS2=.722 for a Raoult's Law standard state using the following data: PCS2=446.9 Torr, and P*CS2=512.3 Torr
Methyl acetate, CH3COOCH3, reacts in basic solution to form the acetate ion, CH3COO-, and methanol, CH3OH. Assuming the reaction is a second order with respect to the methyl acetate, find the concentration of the methyl acetate after the reaction ..
The arrangement of the orbitals is the same in a multielectron atom and a single-electron atom. In the Li atom, the 3s, 3p, and 3d orbitals have different energies. The He atom has one electron each in 1s and 2s orbitals.
A sample of nitrogen of mass 3.12 g at 23 C is allowed to expand reversibly and adiabatically from 400 cm^3 to 2 dm^3
A toxic cloud covered Bhopal, India, in December 1984, killings thousands of people. The cloud was created when water leaked into a storage tank of methyl isocyanate, a chemical used in the production of potent pesticides
demonstrate that an excess of hydrogen peroxide was used in the oxidation step of Fe(II) to Fe(III)
Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
if 105 of fluorine-18 is shipped at 800 a.m. how many milligrams of the radioisotope are still active if the sample
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