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M concentration of hypochlorite in the buret solution . -original household bleach solution was diluted 50:1 to obtain the hypochlorite solution in the buret. -concentration of hypochlorite ion in the original bleach solution is 0.2667 M. ****NEED ANSWERS TO THE FOLLOWING Questions****: 1. Give 2 reasons for experimental error, that would result in a positive or negative error. 2. Explain 2 advantages and 2 disadvantages to the colorimetric method to determine the concentration of species over the classical titration method used in previous experiments. 3.Fully explain two disadvantages of the colorimetric method to determine the concentration of species over te classial titration method 4. using two chemichal reactions explain how iodate ions and ypochlorite ions both act as oxidizing agents
Calculate the number of mmoles of primary standard grade Na2CO3. b. How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
The volume of a gas is 5.0L when the temperature is 5.0C. If the temperature is increased to 10.0C without changing the pressure what is the new volume?
A 56.0 mL solution of phosphoric acid is neutralized by 136.0 mL of 2.6 M NaOH. What is the concentration of the acid?
calculate the density of the pheromone in grams per liter in a cylindrical air space with a radius of 0.50 mi and a height of 40ft.
Write a balanced equation for the conversion of C6H5CHOHCH3 to methyl ketone in the presence of I2 and NaOH. Identify which is being oxidized and which is being reduced.
The distance between layers in a crystal is 281 pm. X rays are diffracted from these layers at an angle of 19.0°. Assuming that n = 1, calculate the wavelength of the X rays in nm.
Determine At what temperature will Kp 2.00? if it is given that Delta H = +57.2 kJ/mol,Kp = 0.113 at the temperature of 298 Kelvin?
If 5.02 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
A 180 kiln is used for vitrifying ceramics. It is currently operating at 1025 , and the pressure is 1.100 . How many moles of air molecules are within the confines of the kiln.
Calculate the voltage difference between two points of corroding iron differing only in their partial pressure of oxygen
What mass of potassium can be produced by the reaction of 215 g Na with 296 g of KCl?
The orbital energy of any atomic species depends on factors other than the principle quantum number n and any given energy level in H is more stable than the same level in H+.
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