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Problem- Make 200 mL of an aqueous solution with 150 mM KCL and 100 microM CaCl2. Premade stock solutions: 1.000 M KCl and 0.250 M CaCl2. Calculate the number of mL of each stock solution needed to make the solution
How do I yet start setting this up? Thank you
Given a solution containing 0.01M of lead chloride and 0.01M of lead chromate, calculate the concentration of Pb2+. Using the Ksp(PbCl2)=1.7x10^-5 and Ksp(PbCrO4)=1.77x10^-14. What is the solid remaining?
Explain why the form of the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas
A batch of 5 kg of food product has a moisture content of 150% dry basis. Calculate how much water must be removed from this product to reduce its moisture content to 20% wet basis
flask apparatus which now contains 2.00 l h2 at a pressure of 360 torr and 1.00 l n2 at an unknown pressure. if the
What is the volume of this ideal gas in liters?
Based on resonance structures for acrolein, do you expect the C=O stretch in acrolein to be of higher fundamental frequency or lower fundamental frequency than that of propionaldehyde
A. tetrahedral B. square planar C. square pyramidal D. trigonal bipyramidal E.octahedral F. T-shaped G. see-saw, butterfly, or unsymmetrical tetrahedron
Explain the effect of that mistake on the calculated molarity MB. (Will the experimental MB calculated by Student A be higher or lower than the true MB value?)
Problem- According to a label on a soft drink, one serving provides 125 kcal. If all of this energy is used to lift 1.0 kg blocks, how many blocks can be lifted 5.0 meters? Enter answer in scientific notation
hexokinase is an enzyme that catalyzes the phosphorylation of sugars. given the values below discuss the interaction of
A 48.0-L gas cylinder contains 249 mol of H2 gas at 298 K. What is the pressure inside the cylinder.
Which is the anode and which is the cathode of a concentration cell Au/Au^3+ , where the Au^3+ is 0.89 M in one half cell, and 0.14 M in the other. What half reactions occur at each
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