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Problem- A solution is prepared by addind 3.6 mol of KCN to 1.00 L of 0.16 M Zn(NO3)2. What is the equilibrium concentration of Zn2+ ions? (Kf=4.2x10^19 for Zn(CN)4^-2
Please illustrate all your work I need proficient help to working out this problem
Find out the normal boiling point in Celsius of pure acetic acid giving that the liquid has a vapor pressure of 13.9 torr at 25degree Celsius and its heat of vaporization (Δhvap) is 41.7kj/mol.
using anbsp sample xenon gas that has a volume of 18.5 litres at 1.5 atm. what is the new volume if the pressure is
Because of the movable plunger on a syringe, the gas inside the syringe can be held at a constant pressure of 1.00 atm while allowing the volume of the gas to increase or decrease.
107X with abundance 54.34% and isotopic mass 106.9051 amu and 109X with isotopic mass 108.9048 amu. Use the given information to calculate the atomic mass of the element X to an accuracy of .001%
To me these seem like the should be counted the same way but one is counted from left to right and one from right to left. Why is that. What is the rule. Keep in mind that I am a new chemistry student.
If the Ka of a monoProtic weak acid is 5.3*10^6 what is the Ph of 0.15 M solution of this weak acid
Where n is the quantum number with possible values of 1, 2.... as well as v is the frequency of vibration. The vibration frequency of HCL is approximately 8.85 *1013s-1. Explain what minimum energy is required to excite a vibration in HCL
The oxidation of gold metal by aqua regia (i.e., royal water) results in the production of nitrogen dioxide and gold(III) ion, in the primary step. Aqua regia is a dangerous mixture of 1 part nitric acid and 3-9 parts hydrochloric acid.
describe the crystal lattic structures you examined,indicating the number of positine ions surrounding each negative ion,and vice versa
if 3.55 mL of vinegar needs 43.0 mL of 0.130 M sodium hydroxide to reach the equilavence point in a titration, how many grams of acetic acid are in a 1.6qt sample of this vinegar?
because anhydrous sodium sulfate is a relatively inefficient drying agent a student uses twice as much of this salt as
Combustion of 7.20 g of this compound produced 14.4 g of CO2 and 5.89 g of H2O. What is the emperical Formula of the unknown compound?
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