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Calculate the amount of 0.018 M KMnO4 solution required to completely oxidize 39.69 ml of .100 M FeSO4 in an acidic solution according to the following equation.
MnO4- + 8 H+ + 5 Fe2+ --> 5 Fe3+ + Mn2+ + 4 H2O
A procedure was performed on a 0.49 g sample of copper oxide and 0.40 g of dry copper metal was recovered. Show all the steps solving for the empirical formula of copper oxide and keep significant figures in mind.
What is the total number of liters of O2(g) produced from the complete decomposition of 0.500 mole of KClO3(s)?
State how much oxalate unknown should the student weigh out in order to use 35.0mL of permanganate solution?
Assuming that the combustion of palmitic acid gives off 10126.9 kJ/mol what is the maximum number of ATP molecules that can be generated from ADP and Pi, by combusting one palmitic acid molecule?
A gas sample has an original volume of 650 ml when collected at 750 mm and 30°C. If a change is made in the gas temperature which causes the volume of the gas sample to become 800 ml at 1.00 atm, what is the new temperature
How much of each of the following substances would you add to water to prepare 1.50 L of a 0.90 M solution? NiCl2 from the salt NiCl2·6 H2O
The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 2624 nm and 97.2 nm, respectively.
how many grams of C5H10O2 need to be dissolved in 50 mL of solution, in order to have a 0.1 molar solution?
A calibrated flask was filled to the 25.00 {\rm mL} mark with ethyl alcohol. By weighing the flask before and after adding the alcohol, it was determined that the flask contained 19.7325 {\rm g} of alcohol
a colorless liquid that is commonly known as grain alcohol, is 0.789 g/mL. Calculate the mass of 17.4 mL of the liquid.
the red lice in the hydrogen spectrum is caused by the electron moving between which two energe levels? (the ionization energy of a hydroge atom is 2.18X10^-18J)
A solution is prepared by dissolving 22.0 g of NaOH in 118.0 g of water. the NaOH solution has a density of 1.15 g/mL. a)what is the mass percent (m/m) of the NaOH solution b)what is the total volume(mL) of the solution c)what is the molarity (M) ..
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