Why must a boiling stone be added to a solution to be refluxed?

Q: What must be the normality of a solution of silver nitrate so that each milliliter shall be…

A: In the given question we have to find the normality of silver nitrate and the normality is given by…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Dissolution is defined as the process in which water having high dielectric value break the bond of…

Q: at is the purpose of pouring a volumetric solition into a beaker before taking a sample from the…

A: Pouring a volumetric solution into a beaker before sampling is crucial for achieving homogeneity

Q: Balance each of the following word equations. Find if the substances are soluble (aq) or insoluble…

A: FeCl3, NaCl, Na2CO3 and MgCl2 are water soluble while Fe2(CO3)3 and MgCO3 are insoluble

Q: 2.A student realizes they forgot to add boiling stones to their distilling flask. The solution is…

A: Boiling stones are used to prevent loss of product. it cannot allow the solvent spill over the flask…

Q: The percent nitrogen (N) in a protein sample can be determined by reacting the protein with sulfuric…

A:

Q: The mass of calcium chromate that is dissolved in 125 mL of a saturated solution is ______grams

A:

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A:

Q: It is possible for a weak electrolyte solution to cause the bulb to glow brighter than a strong…

A: Yes, it is possible for a weak electrolyte solution to glow bulb brighter than a strong electrolyte.

Q: A solution is made by diluting a standard solution by adding equal volumes of the standard solution…

A: Given : Solution is made by diluting a standard solution and distilled water .  To find :…

Q: What is volumetric analysis and its components such as titrant, titrand, analyte, base,…

A: volumetric analysis is the process of determination of concentration of analyte species with the…

Q: change in solubility is one Evidence of a Chemical Reaction * True O False

A: Solubility is a physical property. The reason is because it can be determined by simple observation…

Q: A student was working on a procedure in the laboratory. Upon addition of a certain reagent, the…

A: There are various rules in the chemistry laboratory to perform experiments accurately. But violation…

Q: Why is it all right to use a wet flask or to use water during the titration?

A: It has to be clean and dry so you have the right amount of solution taken out from you flask to be…

Q: Give the importance of solubility in the practice of pharmacy

A: Solubility is the maximum amount of Substance or Solute that can dissolved in given fixed amount of…

Q: 11.A sample of 10 g of potassium iodide is dissolved in a beaker. Then it is poured in a volumetric…

A: Given : A sample of 10 g of potassium iodide is dissolved in a beaker. Then it is poured in a…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A:

Q: The mass of calcium sulfide that is dissolved in 225 mL of a saturated solution is _____ gram

A: Solubility product is a product of the concentration of ions with the power when the solution is…

Q: In the determination of Mass% NaOCI in Bleach Sample (Titration), does addition of water to the…

A: During the mass % determination of NaOCl in bleach sample, first NaOCl is converted to HOCl in…

Q: What is the correct procedure in diluting a concentrated acid solution? A add the acid to the water…

A: We have to tell the procedure of diluting a concentrated acid solution. The given options are Add…

Q: A 300 ml solution of 0.55M sodium Chloride solution was evaporated. How much salt by weight was…

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Q: A 1.345 g sample of solid residue from a hazardous waste dump is being analyzed for barium. The…

A: A particular sample contains various types of compound .That can be estimated .

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Given: Solution of : Methanol NiCl2 Fructose In water.Then products of dissolution are:

Q: Define the terms, Dissolve and Dissociation

A: Dissolving, Whenever an ionic crystal lattice breaks apart when it is dissolved in water. for…

Q: What molecular property determines solubility?

A: Molecular property which determine solubility are -  1) Polarity - polarity of molecule plays…

Q: A 1.00 gram sample of anhydrous cerium sulfate was dissolved in water. Barium nitrate solution was…

A: A precipitation reaction is characterized by the formation of an insoluble solid when a cation and…

Q: Which of the following would decrease the rate in which a solid dissolves in a liquid? A. increasing…

A: A supersaturated solution is a solution that contains more than the maximum amount of solute that is…

Q: xplain why pressure reduction reduces gas solubility

A: ANSWER IS

Q: Volumetric Analysis: Determination of Acetic Acid in Vinegar The endpoint of the titration of the…

A: In analytical chemistry, titration is used to identify many species, including acids, bases,…

Q: 5.00 mL of acetic acid required 37.28 mL of 0.0999 M NaOH to be neutralized in a titration.…

A: Volume of acetic acid= 5 ml Volume of NaOH= 37.28ml Concentration of NaOH=0.0999M

Q: The distinguishing characteristic of all electrolyte solutions is that they _____. contain molecule…

A:

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: MgSO4: It is an ionic compound and the major species present in the water will be : Mg2+, SO42- and…

Q: A solution of HCI is standardized against a sample which has been previously found to contain 71.22%…

A: Given: Weight of Na2CO3 sample= 0.5962 g Purity of sample = 71.22 %