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A solution is to be standardized by titration KMnO4 against As2O3 .A 0.1022 g sample of As2O3 requires 23.40 ml of the KMnO4 for its titration.
What is the molarity of the KMnO4?
Close the simulation window for oxygen and return to the Cool Molecules Explore page. Next, click C and H in the periodic table and repeat the process for methane (CH4). In the table below, record the names of its vibration modes and describe the vi..
If I have .0888g of potassium hydrogen sulfate, its density is 2.322g/mL and its molecular weight is 136.17g/mol how many mols do I have
Suggest a reason why the cyclic intermediate in the formation of methyl-e-4-methoxycinnamte from p-anisaldehyde, might have two important groups in a trans relationship
Compute the enthalpy change for this reaction keeping in mind that this is a negative number for an exothermic process.
Find the pH of the equivalence points and the volume(mL) of 0.0372M NaOH needed to reach it in titrations of (a) 42.2mL of 0.052M CH3COOH (b) 28.9mL of 0.085M H2SO3
Calculate the mass in metric tons of a cube of Au that is 36.1cm on each side? It is given that density of gold- 19.3 g.cm 3 , (1 metric ton-100kg)
A student performs an extraction using water and methylene chloride. Which is the top layer and which is
Using the following aqueous solutions: 0.10m Na3PO4, 0.35m NaCl, 0.20m MgCl2, 0.15m C6H12O6,0.15m CH3CHOOH
It takes 1.35 kJ of energy to heat a sample of pure silver from 12.0°C to 15.5°C. Calculate the mass of the sample of silver.
What is the molarity of a solution prepared by dissolving 72.0 g of HCI in enough water to make 500 ml of solution.
An unknown metal hypochlorite salt, M(ClO)2, is subjected to analysis by iodometric titration: the salt is dissolved in dilute sulfuric acid, treated with excess aqueous KI, and then titrated with Na2S2O2 in the same manner as in your experiment
The element lithium has two naturally occurring isotopes, 7Li (isotopic mass 7.0160 amu, abundance 92.5 %) and 6Li (isotopic mass 6.0151 amu, abundance 7.50 %). Calculate the atomic mass of lithium.
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