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Question- What is the pH of a solution made by adding 8.80 grams of NH4Cl, to 450ml of 0.105 M NaOH? No change in volume takes place.
I am need of complete solution for this problem please help- me out to get right solution
Define the maximum electronic energy that a hydrogen atom can have is 0 KJ/mole at which point the electron would essentially be removed from the atom also it would become a H+ ion. Define how much energy is kilojoules per mole does it take to ion..
Compute the concentration of [HPO4]2- and [H2PO4]- at pH 5.60 in a solution containing one mol of phosphate per liter (pKas for phosphate: 2.14, 6.86, 12.4)
compute the volume of sodium hydroxide that is required to make a buffer with a pH = 5.77.? given that pKa = 4.77. and initial volume of the acid solution = 1.00 Litre.
Calcium fluoride has a Ksp of 3.9 x 10^-11 at 25 C. What is the fluoride ion concentration at equilibrium
An unknown sample with a molecular mass of 180.og is analyzed to yeild 40% c, 6.7% H, and 53.3% o. What is the empirical formula and the molecular formula of this compound?
A feed mixture of ethanol and water is 40 mole % ethanol. The feed is at 200 degrees Celcius and is at a high enough pressure that it is liquid. It is input into the column through a valve, where is flashes. Column pressure is 1 kg/cm^2. Find the ..
A diploid organism with a 30,000-kb haploid genome contains 19% T residues. Calculate the number of A, C, G, and T residues in the DNA of each cell in this organism.
In an oversight in the experiment Jamie did not add the 4-5 additional drops of 6M HNO3. As a result, will the reported number of moles of oxygen be too high or too low in the final product. Explain.
In an experiment 1.550g of mercury oxide decomposed to give oxygen gas and 1.435g of liquid mercury. What is the empirical formula of mercury oxide
Problem- What relation do the substances water, sucrose, sodium chloride, chalk, glass and sulfur have to each other
a 5.00 gram sample of potassium chlorate/potassium chloride mixture was heated in a test tube. A total of 1.00 L of oxygen gas was collected over water at 25 degrees c and 741 torr. determine the percentage of potassium chlorate in the mixture.
Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Ca(NO3)2 solution to 150.0 mL.
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