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Adding 10.0 mL of a dilute solution of zinc nitrate to 246 mL of 2.00 M sodium sulfide produced 0.279 g of a precipitate.
What was the concentration of each ion in the original solutions?
What is the concentration of the sulfide ion in solution after the precipitation reaction, assuming no further reaction?
Problem- If 25.00 mL of a 0.1301 M solution of a diprotic acid H2A are titrated with 0.1500 M NaOH, how many mL of his NaOH solution are required to completely neutralize this acid solution. Assume that all the protons in the acid can be neutraliz..
A feed water pump operates with a flow rate of 350 kg/s. The water enters at 420K. The inlet pressure is 0.7 MPa and the outlet pressure is 20 MPa. Find out the power to drive the pump if the pump isentropic efficiency is 87%. As well determine th..
the volume of an ideal gas is held constant. determine the ratio p2p1 of the final pressure to the initial pressure
Problem- Oxidation and reduction half reaction and the balanced overall redox reactions for the following reactions
Van der Waals constants can be found here. Use the ideal gas equation to calculate the pressure under the same conditions
A nonelectrolyte solution adsorbs on an electrically neutral solid through a liquid. Two surfaces of this type are brought close to one another in the liquid such that they interact.
When the epoxide 2-vinyloxirane reacts with lithium dibutylcuprate, followed by protonolysis, a compound A is the major product formed. Oxidation of A with PCC yields B, a compound that gives a positive Tollens test and has an intense UV absorptio..
if 30.15 ml of 0.0995 M naoh is required to neutralize 0.216 g of an unknown acid, HA, what is the molecular weight of the unknown acid
The specific heat of a certain type of cooking oil is 1.75 J/(g·°C). How much heat energy is needed to raise the temperature of 2.69 kg of this oil from 23 °C to 191 °C
1. H2CO3 (carbonic acid) is a polyatomic acid. State the equations showing the successive dissociations. 2. For a 0.6M NH41+ solution, compute H+, pH, and [OH-].
A 20.00 mL sample of 0.1015 M nitric acid is introduced into a flask, and water is added until the volume of the solution reaches 250.00 mL. What is the concentration of nitric acid in the final solution?
Write the molecular, total ionic, and net ionic equations for the reaction and calculate the molar mass of the metal and identify the element.
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