A weak acid ha pka 500 was titrated with 100 m koh the
A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at Vb = 0 mL, Vb = 10.1 mL and Vb = 12.0 mL
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An acid solution is 5.00% HCl by mass. Assuming that the density of the solution is 1.0 g/mL, find the molarity of the hydrogen ion in the solution. The molar mass of HCl is 36.5 g/mol
What is the implied interest rate on a Treasury bond ($100,000) futures contract that settled at 100'16? If interest increased by 1%, what would be the contract's new value?
A solenoid of length 4.48 cm and diameter 0.785 cm is wound with 160 turns per cm. what is the induced emf in one of the windings
Suppose that the distance between London and Edinburgh is 360 miles and that a courier for London sets out from the Scottish city running at 10 mph at the same time that one sets out from the English capital for Edinburgh at 8 mph.
A skater with an initial speed of 7.10 m/s stops propelling himself and begins to coast across the ice, eventually coming to rest. How far will the skater travel before coming to rest
how many students would the college need to enroll in the first year if they would like to make a profit of at least 5% of revenue?
Suppose we have a junction diode operating at a constant temperature of 300K. With a forward current of 1mA, the voltage is 600mV. Furthermore, with a current of 10mA,the voltage is 700mV. Find the value of n for this diode.
Stearic acid has a freezing point of 71.20 C and a Kf of 4.890C/m. A 400.0 g quantity of stearic acid to which 50.0 g of an unknown is added has a freezing point of 68.00C. Calculate the molar mass of the unknown.
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