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Define a base in terms of its properties? Then try to expand upon this definition in inerpretting its role in an acid-base reaction?
What is the mass of H2SO4 in 520.0 cm3 sample of sulfuric acid that has a density of 1.55 g/cm3 and which consists of 55.0 % H2SO4
The letter designations for the first four sublevels with the number of electrons that can be accommodated in each sublevel are what
A 3.0 L cylinder is heated from an initital temperature of 273 K at a pressure of 105 kPa to a final temperature of 377 K. Assuming th amount of gas and the volume remain the same, what is the pressure (in kilopascals) of the cylinder after being ..
What is the final molar concentration of every species remaining in aqueous solution of the following reaction
a 1.00 liter solution contains 1.00 mol of weak acid HX. After 0.60 mol of Oh- is added to this olution, the pH of the solution is 4.00. Calculate the Ka for the acid HX.
Borax is used to standardize a solution of HCl. If 0.2334 g of borax requires 24.31 mL of HCl titrant, what is the HCl concentration
what is the mass in grams of a single atom of Ru. The answer is supposed to be in scientific notation as in blank time ten^ blank. I kinda have an idea but not sure
Use the solution pH to calculate the concentration of hydronium ion present
A weak base indicator (In) may be considered to be in equilibrium with HIN+ and OH- ions. The color of the non-ionized molecule is green and that of HIn+ is yellow. What would be the color of this indicator in a very acidic solution? explain. HINT..
A buffer contains 0.010 mol of lactic acid (pKa=3.86) and 0.050 mol of sodium lactate per liter. Calculate the change in pH when 5mL of 0.5M NaOH is added to 1L of the buffer.
Calculate the partial pressure of the diethylether. P = atm Part B) Calculate the total pressure in the container. P = ?atm
Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as anti-knocking agents. A 1.805 g sample of one such additive containing only lead, carbon, and hydrogen was burned in an oxygen rich environment.
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