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In a volumetric analysis experiment, a solution of sodium oxalate ( Na2C2O4) in acidic solution is titrated with a solution of potassium permanganate according to the following balance chemical equation. 2KMnO4(aq) + 8H2SO4(aq) + 5 Na2C2O4(aq) _> 2MnSO4(aq) + 8H2O(aq) + 10CO2(g) +5 Na2SO4(aq) + K2SO4(aq) it required 20 ml of 0.0147 MKnO4 to reach the end point. what mass of Na2C2O4 was present initially?
Compute [CO32-] in a 0.032 M solution of CO2 in water (H2CO3). If all the CO32- in this solution comes from the reaction shown below, explain what percentage of the H+ ions in the solution is a result of the dissociation of HCO3
A sample of gas has a volume of 3.40L at 10.0C what will be its volume be at 100C pressure rremaining constant
When benzoic acid reacts with sodium hydroxide, what happens to the covalent molecule
Calculate the number of photons emitted in one second by a 15 W laser operating at a wavelength of 540.0 nm
when answering include an explanation balanced chemical equations andor calculations where appropriate.in a acid-base
Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range.
Determine the point group of each of the three possible geometries of the hypothetical Be3+ on, ten draw the molecular orbitals for each geometry,
Here are some data collected on a sample of cesium exposed to various energies of light. Light energy ({\rm eV}) Electron emitted. Electron KE ({\rm eV}) 3.87 no - 3.88 no - 3.89 yes 0 3.90 yes 0.01 3.91 yes 0.02 Part A What is the threshold frequ..
what type of salt does copper oxide produce?
What would be more stable, 1,1-dimethylcyclopropane or cis-1,2-dimethylcyclopropane or trans- 1,2-dimethylcyclopropane
a rectangular block has dimensions 2.9 cm . 3.5 cm . 10.0 cm. the mass of the block is 615.0 g. what are the volume and
Draw the organic product(s) of the reaction of p-methylbenzoic acid with aqueous sodium hydroxide
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