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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?
Diagram the most accurate procedure so you end up with at least 500 uL each of 5 ug/uL, 0.5 ug/uL and 0.05 ug/uL working solutions of BSA.
A solution is made by mixing 500 mL of .121 M NaOH with 500 mL of .1 M CH3COOH. Calculate the equalibrium concentrations of H+. CH3COOH, CH3COO-, OH- and Na+
What is the Cl ? concentration just as Ag2CrO4 begins to precipitate when 2.0 M AgNO3 is slowly added to a solution containing 0.048 M Cl ? and 0.048 M CrO42-?
You add 10.0 mls of 0.100 M H2SO4(aq) to 10.0 mls of 0.100 M NaOH(aq). The products are: Select one: a. Na2S(s) and H2O(l) b. H2S(g) and Na2SO4(aq) c. Na2SO4(aq) and H2O(l) d. H2O(l) and NaSO4(aq)
Calcuate the molalities of MgSO4, Mg2+, and SO4 in a 0.05000m solution of MgSO4 at 25 degree and at 250 degree. Find the appropriate log K's in Soltherm
A 345 mL container holds NH3 at a pressure of 745 torr and a temperature of 45 degrees Celsius. What is the molar concentration of ammonia in the container?
A patient needs to take 625 of ibuprofen twice daily. The pills in the bottle are each 250. . How many pills does the patient need to take each time she wants the 625 dosage? Assume that these pills are scored and can be cut in half if necessary.
How many valence electrons does one molecule of aspartame have? What are the bond angle measurements of aspartame?
A key oxidative step(s) in the B-oxidation cycle of fatty acids includes: a. addition of water to a double bond b. generation of a double bond from two adjacent -CH2 carbons
Write a series of nuclear equations to represent the bombardment of Al-27 with a neutron to form a product that then undergoes an alpha decay followed by a beta decay
describe the unit cell for potassium flouride, copper(I) flouride, and cadmium flouride. How many atoms of each type are in each unit cell?
The attractive force between neighboring dipoles. the force that arises because of the large differences in electronegativities in the N-H bonds
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