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Calculates the molarity of a calcium carbonate standard solution that contains 0.2430 grams of calcium carbonate dissolved in a total of 250.0 mL. Give your answer as a number to four decimal places.
How many grams of methane must be combusted to heat 1.15 of water from 26.0 to 89.0, assuming as a product and 100% efficiency in heat transfer
A compound has a pKa of 7.4. To 100 mL of a 1.0M solution of this compound at pH 8 is added 30 mL of 1.0M HCl. what is the pH of the resulting solution?
A generic salt, AB, has a molar mass of 189 g/mol and a solubility of 6.10 g/L at 25 C what is the Ksp of this salt
What would the energy diagram look of a triple carbon hybrid. Using the model below what is available.
We add excess Na2CrO4 solution to 16.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.380 grams.
nitric acid is usually purchased in concentrated form with a 70.3 hno3 concentration by mass and a density of 1.41 gml.
Find the equation for the radial distribution function for the 4p orbital and calculate the position of the radial node(s) in a0 units
How many grams of FeSO4.(NH4)2SO4.6H2O (MW = 392.14) must be dissolved and diluted to 250.0 mL to prepare an aqueous solution that is 10.00 ppm Fe2+ by weight (1.00 ppm = 1.00 mg/L)
a v 535 ml at 1.00 atm. what is the volume at 675 torr?b v 2.07 l at 110.9 kpa. what is the volume at 0.992 atm?c v
A student analyzed an antacid tablet from a bottle containing 120 tablets purchased for $2.79. The mass of the tablet was 1.247 grams. What is the cost of one antacid tablet in cents/tablet.
CO2 Dissociation by means of electronic excitation. Using Fig. 5-6, calculate the decrease in energy thresh- old of the CO2 dissociation through electronic excitation related to preliminary vibrational excitation
What volume will a sample of hydrogen occupy at 28.0 degrees celsius if the gas occupies a volume of 22.3 dm3 at a temperature of 0.0 degrees Celsius. assume that the pressure remains constant
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