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Write the complete equation for the neutralization of HF with NH4OH.
Why you chose this topic and how it relates to your personal and/or professional interests? What changes it may have on your thinking, actions concerning Planet Earth?
Calculate the pH of the resultant mixtures: a. 10 ml of 0.2 M Ca(OH)2 + 25 ml of 0.1 M HCL b. 10 ml of 0.01 M H2SO4 + 10 ml of 0.01 M Ca(OH)2 c. 10 ml of 0.1 M H2SO4 + 10 ml of 0.1 M KOH
An important reference quantity in science is that the standard atmospheric pressure is equivalent to 760 torr or 101.3 kPa. Explain via the aid of a diagram and a calculation how the two numbers are equivalent
10.0mL of a solution that contained 0.0300g of an unknown complex Ni salt. You titrated that 10.00 mL with a 0.005 M EDTA solution; 26.58 mL of EDTA was needed to reach the endpoint. Knowing that the Ni2+ reacts with EDTA in the mole ratio of 1 to..
Potash is composed mainly of potassium caronate, K2CO3. If 1.000g of potash reacts with sulfuric acid to produce 145 mL of carbon dioxide gas at STP, what is the % of potassium carbonate in the marble sample
A solution is .855% HNO3 by mass. Density of the solution is 1.01 g/mL. Find [H+], [OH-], and pH.
Explain the can contains fewer molecules than an identical can of hydrogen gas at the same temperature and pressure for the reason that the hair spray molecules and propellant molecules are larger than hydrogen molecules.
a it is found that the boiling point of a binary solution of a and b with xa 0.6589 is 88degc. at this temperature the
What chemical test can I do to distinguish between succinic acid and napthoic acid? Succinic acid is a dicarboxylic acid where as napthoic
The Ka for hypochlorous acid (HClO) is 3.0 x 10?8. What is [OH?] in a 0.145 M solution of sodium hypochlorite (NaClO)
AIBN as initiator, was found to have Mn average = 1000 kg mol-1 and a radioactivity of 6 x 103counts s-1 g-1 (measured using a liquid- cintillation counter). Given that the AIBN has a radioactivity of 6 x 109 counts s-1 mol-1, determine the mode of t..
What is the pH of a buffer that results when 0.50 mole of Na3PO4 is mixed with 0.75 mole of HCl and diluted with water to 1.00 L? The acid dissociation constants for phosphoric acid
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