How many grams of dry nh4cl need to be added to 150 l of a
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.300 M solution of ammonia, NH3, to prepare a buffer solution that has a ph of 8.73? pkb for ammonia is 1.8X10^-5.
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Assume that 50.00ml of 0.100M HCl was added to 125ml of 0.100M sodium acetate. Is the resulting solution a buffer? Why or why not? Calculate the pH of the resulting solution.
On July 31, 2013, the company paid a two-year premium of $18,000 on an insurance policy that is effective June 1, 2013, and expires May 31, 2015.
Part 1 Disease Process: Create a scenario involving providing care for a patient with a specific pathology of breast cancer. • Include a brief past and present health history, family and social history.
Describe the coming of the french revolution. The information just have to be very accurate and presented well in a meaninful way in the order of the events
The normal time to complete this activity is 8 days and crash time is 4 days. If this activity is crashed by 2 days it will cost an additional - statements regarding project crashing
Suppose you wanted to make a pH=4.25buffer. What would be the best acid/base system: acetic acid/acetate or lactic acid/lactate? THe Ka of lactic acid is 8.32x10(exponent -4). Throughly explain your reasoning.
I need to write a paper on the French Commune of 1971 and Marxism. Can you help me write an introduction and give me themes to write about?
A slotted line is used to measure the voltage maximums and voltage minimums on a transmission line with a characteristic impedance of 50 . The voltage maximum is measured as 7.5 V and the minimum is 5 V. The line is terminated with a purely resist
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