9. Calculate the w/v percentage of 74 mg of vitamin C in 250 mL of orange juice. 10. What is the molarity (M) of the following solution? 47 g of KCl dissolved in enough water to give 375 mL of solution. 11. If 3.18 g BaCl, is dissolved in enough water to make 500.0 mL of solution, what is the molarity (M) of this solution? 12. Suppose we have a bottle of concentrated acetic acid (6 M). How would you prepare 400. mL of a 4.5 M solution of acetic acid? Use the dilution formula!
Electronic Effects
The effect of electrons that are located in the chemical bonds within the atoms of the molecule is termed an electronic effect. The electronic effect is also explained as the effect through which the reactivity of the compound in one portion is controlled by the electron repulsion or attraction producing in another portion of the molecule.
Drawing Resonance Forms
In organic chemistry, resonance may be a mental exercise that illustrates the delocalization of electrons inside molecules within the valence bond theory of octet bonding. It entails creating several Lewis structures that, when combined, reflect the molecule's entire electronic structure. One Lewis diagram cannot explain the bonding (lone pair, double bond, octet) elaborately. A hybrid describes a combination of possible resonance structures that represents the entire delocalization of electrons within the molecule.
Using Molecular Structure To Predict Equilibrium
Equilibrium does not always imply an equal presence of reactants and products. This signifies that the reaction reaches a point when reactant and product quantities remain constant as the rate of forward and backward reaction is the same. Molecular structures of various compounds can help in predicting equilibrium.
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![13. A student has a bottle labeled 0.750% albumin solution. The bottle contains exactly 5.00
mL. How much water must the student add to make the concentration of albumin
become 0.125%?
14. Label Bronsted-Lowry acid, Bronsted-Lowry Base, conjugate acid, and conjugate base
under the chemical equation! Also indicate the proton (H*) movement with arrows!
NH3
(ад)
+ HClag) + NH4* (aq) +Cl(aq)
(ад)
15. The [H3O*] of an aqueous solution is 10*M. What is its [OH']?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F08a0beb9-4d3f-4ca1-b259-4d45e01e1881%2Fe64aaab4-56f6-4bdb-83bf-db2601f757d7%2F8ubmjod_processed.png&w=3840&q=75)
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