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Concept explainers
Interpretation:
The original solution has to be identified if addition of a small crystal of
Concept Introduction:
Solution:
It is the homogeneous mixture of two or more substances.
In such a mixture, solute is a substance (of lower proportion) dissolved in another substance (of larger proportion), called solvent. In aqueous solution, the solvent is water.
Generally solution are classified into three types as follows,
- Saturated solution
- Unsaturated solution
- Supersaturated solution
Saturated solution is the solution that contains maximum quantity of solute dissolved in the solvent. In the given volume of saturated solution amount of solute dissolved in the solvent called solubility.
Unsaturated solution is the solution that contains less quantity of solute than saturated solution.
Supersaturated solution contains more solute than solute present in the saturated solution.
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Chapter 8 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Define the following terms: a. phospholipids b. soap c. surface active agent d. phosphoglyceride e. sphingomyelinarrow_forwardWhat is the isoelectric point of casein? Please choose one correct answer only. A. pH 6.6 B. pH 5.6 C. pH 4.6 D. pH 3.6 E. None of the given optionsarrow_forwardThe salt of diclofenac, a nonsteroidal anti-inflammatory drug (NSAID), has a chemical formula NaC14H10C2NO2. The structure of this drug is provided below. When dissolved in water, it produces: Na + H 'N. CI Select one: a. An acidic solution b. A basic solution C. A neutral solution d. Not enough information is provided. O OOarrow_forward
- Which of the following ionizes completely in solution and is considered to be a strong acid? Select one: O a. NAOH O b. HCL O c. NH3 O d. H2CO3 O e. CH3COOHarrow_forwardWhat is the concentration in % (w/w), of a solution prepared by mixing 50.0 g NaCl and 150.0 g water? A. 0.250 % B. 33.3 % C. 40.0 % D. 25.0 % E. 3.00 %arrow_forwardA mixture containing glutamic acid, arginine, phenylalanine and valine was subjected to anion exchange chromatography at pH 7.0. Which of the amino acids interacted with the resin (anion exchanger) and last to be eluted with a buffer of decreasing pH? A. Glu B. Val C. Phe D. Argarrow_forward
- Which of the following ingredients in Ding Dong Cakes are added for the purpose of maintaining pH until you consume them: a. sodium chloride b. sodium citrate/citric acid c. sodium malate/malic acid d. monosodium phosphate/disodium phosphate e. lecithinarrow_forwardThe particles resist collision due to the high zeta potential in a suspension containing negatively charged particles. The addition of an oppositely charged electrolyte into that suspension leads to O A. increased collision resist by the particles O B. gradual reduction in the zeta potential O C. no change in the zeta potential O D. higher zeta potential In which of the following form the insoluble chloramphenicol palmitate is used to reduce the bitter taste of the chloramphenicol base? O A. Powder O B. Spray OC. Suspension O D. Solution ype here to search LIFE Digital DIarrow_forwardConsider a solution which is 0.10 M in CH3COOH and 0.20 M in NaCH3coo. Which of the following statements is TRUE? A. If a small amount of NaOH is added, the pH decreases very slightly. B. If NaOH is added, the OH- ions react with the CH3CO0 ions. C. If a small amount of HCl is added, the pH decreases very slightly. D. If HCI is added, the H* ions react with CH3COOH ions. E. If more CH3COOH is added, the pH increases.arrow_forward
- Two students plan and carry out an investigation to determine if ionic or covalent bonds have stronger intermolecular forces. They collect the following data. C6H1206 NaCI color white white texture,grain size rough, small pieces rough, very small grains solubility in water soluble (able to dissolve) soluble (able to dissolve) melting point melts easily does not melt a. Identify the type of intramolecular bonds that are involved. b. Which substance will have the stronger intermolecular forces? c. Which properties allow you to predict the strength of the intermolecular forces? Format B I U ... >arrow_forwardConsider a buffer solution that contains 0.55 M NH2CH2CO2H and 0.35 M NH2CH2CO2Na. pKa(NH2CH2CO2H)=9.88. a. Calculate its pH. b. Calculate the change in pH if 0.155 g of solid NaOH is added to 250 mL of this solution. c. If the acceptable buffer range of the solution is ±0.10 pH units, calculate how many moles of H3O+ can be neutralized by 250 mL of the initial buffer.arrow_forwardSubstances those are partially dissolved in water are commonly known as اخترأحد الخيارات a. hydrophilic / hydrophobic b. false statement c. hydrophilic d. hydrophobic e. all given choices are incorrectarrow_forward
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