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150.0 mL of a 0.200 M solution of KIO3 is added to 11.4 mL of 0.100 M La(NO3)3. Compute the equilibrium concentration of La3+ in the resulting solution. Ignore activity coefficients. Ksp = 1.0 x 10-11
KIO3(aq) + La(NO3)3(aq) ---> La(IO3)3(s) + KNO3(aq) use equation to find net ionic equatin
Explain which of the following solutions has the weakest interparticle attraction forces
The Reaction A->B+C is second order in A. When [A]0=0.100 M, the reaction is 20% complete in 53.7 minutes. calculate the value of the rate constant( in L/min mol)
Exothermic Reaction. Chemical process in which system evolves resulting in heat transfer to the surroundings. Endothermic Reaction: Chemical process in which system evolves resulting in heat transfer to the system. A. Burning wood in a campfire.
which one of the following alkyl halides gives the highest ratio of substitution to elimination on treatment with sodium ethoxide in ethanol, and why?
A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill
What is the molarity of each ion in a solution prepared by dissolving 0.550 g of Na2SO4, 1.192 g of Na3PO4, and 0.228 g of Li2SO4 in water and diluting to a volume of 100.00mL?
How many grams of NaN3 are required to produce 340 L of nitrogen gas if the gas has a density of 1.25 g/L?
The experimentally measured density under the same conditions is 3.10 g/L. Account for the discrepancy between your calculated value and the experimental result.
How many neutrons are there in an atom of lead whose mass number is 208? A) 82 C) 208 E) none of them B) 126 D) 290 8. Atoms of the same element with different mass numbers are called A) ions. C) allotropes. E) isotopes. B) neutrons. D) chemical f..
Calculate the mass of urea that should be dissolved in 187 g of water at 35C to produce a solution with vapor pressure of 37.7 mmHg
We use standard addition methods when our sample has matrix effects which are hard to duplicate in a blank. Let's again find the amount of Pb+2 in a blood sample. A 5.00 mL blood sample containing lead yielded a signal of 0.712 units.
C7H6O3 + CH3OH --> C8H8O3 + H2O In an experiment 1.50 g of salicylic acid (C7H6O3) is reacted with 11.20 g of methanol (CH3OH).
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