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A standard solution of sodium hydroxide has a molar concentration of 0.128M. You use 25.00ml of a solution of hydrochloric acid and this requires 32.75ml of the standardized sodium hydroxide solution to reach the endpoint. WHAT IS THE molar concentration of hydrochloric acid solution?
If you weigh the lauric acid to the nearest 0.1g and you weigh the unknown solid to the nearest 0.0001g, can you calculate a molar mass of your unknown solid to three significant figures. Show clearly your reasoning.
1. Assume that, for a laboratory assignment, you need 15 mL of 2.5M potassium hydroxide (KOH). All you can find, however, is a bottle of concentrated potassium hydroxide with a strength of 16M. Clearly explain, using calculations as necessar..
How many grams of oxyen are consumed, how many grams of CO2 & H2O are produced?
Trace amounts of rare elements are found within groundwater and are of interest to geochemists. Europium and terbium are lanthanide-series elements that can be measured from the intensity of their fluorescence emitted when a solution is illuminate..
calculate the amount of heat necessary to raise the temperature of 53.4 grams of ice at -50.0 degrees celsius to water
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water.
At equilibrium the concentration of an acid in solution is 2.50mM, the pH of that solution is 4.25. Assuming that there are no other proton sources other than the acid itself, what is the base dissociation constant for that acid
What would be the hybridization for a molecule with a central atom that is bonded to 5 peripheral atoms and that has 3 nonbonding valence
Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4 of mass 20.0 mg.
If the heat capacity of the calorimeter and contents was 12.05kJ/C, what is the value of q for burning 1.25 mol of benzene at constant volume and 25Ce reaction is C6H6(l)+15/2O2(g)?6CO2(g)+3H2O(l)
Determine the number of moles in isooctane required to produce 2.550kj of heat in the reaction below:
What pressure is needed to make the following changes. 130 mL of a dry gas at 740 torr to 150 mL.
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