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A sample of NAOH weighing 0.38g is dissolved in water and the solution is made to 50.0 cm3 in a vol. flask.
what is the molarity?
A wooden artifact from a Chinese temple has a 14C activity of 30.7 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age. From the half-life for 14C decay, 5715 yr, determine the age of the artifact.
How much acid of 0.5N concentration would be required to fully neutralize an 8.6g sample of sodium stearate
For a certain gas that contains merely carbon and hydrogen the mass percentage of hydrogen is known to be 14.37. It is as well known that 3.08g of the gas has a volume of 1.00L as well as a pressure of 0.970atm at 50.1 degrees Celsius. Explain w..
Find the pH during the titration of 20.00 mL of 0.1000 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54 x 10^-5), with 0.10 M NaOH solution after the following additions of titrant. a.) 15.00 mL b.) 20.90 mL c.) 27.00 mL
Calculate the mass of silver chloride in grams required to make 4.4g of silver plating.
A solution is prepared from 25.0g of benzene, c6h6 and 25.0g of an unknown compound. The freezing point of this solution is 4.3C. The normal freezing point of benzene is -5.12C/m. Determine the molar mass of the compound.
How many moles of HIO3 are produced when 1.29 grams of ICl3 and 7.81 grams of H2O react
The equilibrium molar concentration of the FeNCS^2+ determined from a calibration curve, is 1.5 x 10^-4 mol/L. Calculate, in sequence each of the following quantities in the aqueous solution to determine the equilibrium constant for the reaction.
solution from a rebuilt auto baattery. How many milliliters of 1.4M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?
what will be the pressure of the gasesous water in a 4.25 L flask at 30.0 degrees celcius.
A coffee-cup calorimeter is calibrated by adding 1840 J of heat to the water in the calorimeter and measuring a 1.72C rise in temperature.
Doubling the concentrations of H2S while keeping the concentration of Cl2 constant results in the initital rate increasing by a factor of two.
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