A student that makes an observation that a colorless solution turns blue. This kind of observations called?

Q: A 67.0 ml, 0.220 M calcium nitrate solution is mixed with 95.0 mL of 0.130 M ammonium nitrate…

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Q: 3. Explain why it is important to wash the precipitate. Can distilled water be used to wash all…

A: Some electrolytes are combined to generate a precipitate, which remains adsorbed on the surface of…

Q: Determine the molar concentration of four moles of hydrogen chloride(HCl)dissolvedin 2500ml of…

A: Given, Number of moles of HCl = 4 moles Volume = 2500 ml = 2.5 L

Q: (Calculation) If your unknown solution is first diluted 11 times and then a 30ml aliquot is taken…

A: Given: Unknown solution is diluted 11times then 30 mL aliquot is diluted to 50mL volume.

Q: A student accidentally overshoots the end point and adds too much hydrochloric acid. Is the…

A: Since the reaction taking place is  KOH + HCl ----> KCl + H2O Hence from the above reaction we…

Q: If the ion product is less than its Ksp, then the solution is said to be a: Supersaturated solution…

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Q: How does the concentration of a solution affect its appearance? Does changing the concentration…

A: Answer When the concentration of a solution is increased, proportionately color of the solution is…

Q: Give the Van Slyke's Equation for: Weak electrolytes and their salt

A: Van slyke introduced the concept of buffer capacity according to him the buffer capacity equation…

Q: The maximum amount of calcium hydroxide that will dissolve in a 0.107 M calcium nitrate solution is…

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Q: Solute: Nickel (I) chloride O Solid O Solution NICI, 1 L Concentration (molL) 0.300 ½L Evaporation…

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Q: Please show the schematic diagram (qualitative analysis) of NaCl

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Q: If the solution turns blue litmus paper red, then the solution contains acid. The salution turns the…

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Q: 24.3 ± 0.1 mL of 0.747 ± 0.01 M HCl was required to neutralize 25 ± 0.2 mL of a solution of NaOH.…

A: The ratio of moles to the volume of solution in liters is known as molarity.

Q: The solubility of as temperature increases and the solubility of solids gases as temperature…

A: According to Henry law, Solubility if the gas is directly proportional to its partial pressure of…

Q: What does it mean to say that two solutions have a commonion? Give an example.

A: When solutions containing KCl and NaCl are mixed into one solution, the Cl- ions are common to both…

Q: Water will mix with sodium chloride, but not oil. This is known because of the principle.

A: Water and sodium chloride are polar compounds. Oil is a non-polar compound.

Q: Scientists and engineers use solutions in their work and investigations. Conduct some research to…

A: 1) Titration used to discover - Titration, also known as titrimetry, is a common laboratory method…

Q: Pressure has an appreciable effect on the solubility of ___________ in liquids. (Choose all that…

A: Solubility is the ability of a compound, i.e., a solute to undergo dissolution in a solvent. The…

Q: Your boss advises you try to dissolve the tablet first in 100 mL of DI water. Your sample is a…

A: The dissolution process completely works on the principle of like dissolves like.

Q: Table 12.10 (report) Solutions able to buffer well against acid Solutions able to buffer well…

A: CONCEPT Buffer is an aqueous solution of a weak acid and its conjugate base or a weak base and its…

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A: A) Given: density of solution = 1.1094 g/mL Molar mass of H2SO4 = 98.079 g/mol Mass percent of…

Q: . Using Le Chatelier's principle, explain how the weak acid formed in rainwater causes the…

A: Given: Weak acid formed in rainwater causes dissociation of calcium carbonate.

Q: Are sulfur ointment and precipitated sulfur ointment the same?

A: Sulfure ointment and precipitated sulfur ointment are same or different is given below.

Q: These are samples of about the same size that are carried through an analysis in exactly the same…

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Q: The volume of water needed to dissolve 0.0698 grams of lead iodide is Assume no volume change upon…

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Q: Just question 9 please I need a complete solution :(

A: Moles of the solution is calculated as, number of moles =mass molar massnumber of moles =3.42…

Q: 26. Exactly 30.2Nml of HCI was consumed in the titration of 1.6g of primary standard sodium…

A: Given that -  Volume of HCl Solution = 30.2 mL  Mass of standard sodium carbonate = 1.6 g  Molar…

Q: Please answer the question below with complete solution:

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Q: Assume that a drop has a volume of 0.05 mL. If a titration requires 30.00 mL for completion, what %…

A: A numerical problem based on percentage error, which is to be accomplished.

Q: Can you please answer number 5 and show all of the steps to the solution

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Q: Derive the equivalent expression of ppm in mg/L

A: The objective of the question is to derive the expression where ppm is converted into mg/L

Q: Pls help me answer number 3 with complete solution

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Q: Solution:      Conductivity(ms): NaCl              6594 CaCl2            13188 AlCl3…

A: Equation for the dissociation of each compound given as follow. And also concentration of chloride…

Q: if a substance changes color at a higher ph but acids neutralize at a lower ph, would that affect…

A: We use equivalence point and endpoint to describe the completion of a acid-base neutralization…

Q: Match the following terms to their definitions: Aqueous solution, cation, centrifuge, decant, flame…

A: The given definition is, A method for identifying an ion using the color the ion emits when placed…

Q: Select a product from the stock shelf and transfer the liquid to a test tube. 2. Select a paper pH…

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Q: A solution with a concentration below its solubility limit at a given temperature.

A: There are two type of solutions (i) saturated solution and (ii) unsaturated solution

Q: How to know if a color is acidic or basic?

A: Acidic substance  have the  Value smaller than 7 on pH scale and Basic Substance  have value Greater…

Q: Which of the following would increase how quickly a solid will dissolve into solution? Increasing…

A: Solubility -  Solubility is the amount of solute that dissolves in the solvent .

Q: hi i'm doind a salting effect exercise for a laboratory requiremnent.   What happens if we mixed…

A: Ethanol is also known as acetic acid. Its formula is CH3COOH .

Q: Given the table below, identify Sample D? Sample A Sample B Sample C Sample D Solubility in H20…

A: Alkane are immisible in water  They show negative unsaturated test.  They show non sooty flame

Q: You are adding food coloring to water. What would be the effect on the dissolution rate if the water…

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Q: How many mL of 0.400 M H2SO4 solution is to added to 32.9 ml to 0.426 M LiOH solution to neutralize…

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Q: add solid silver iodide to a solution. We want the silver iodide to ionize more. What could we add…

A: The question  is based on le-chatelier principle.   IT states that when a system at EQUILIBRIUM is…

Q: Please provide the solution to part c

A: Solution- Toluene to 2-fluorobenzaldehyde reaction is given below-

Q: Using the solubility curve in the second picture answer the following questions.

A: Saturated solution is the solution in which no more solute can be dissolved at the same temperature.…

Q: Can you please answer all of the question and show all of the steps to the solution

A: %yield=Experimental yieldTheoretical yield×100           =10g20g×100           =50%…

Q: A TC glassware used to contain exact volume of prepared standard solution.

A: A standard solution is the solution of known concentration.  1) Erlenmeyer flask (or conical flask)…

Q: 51. The substance being analyzed is the: a. Titrant b. Analyte Salt d. Indicator

A: Since you have asked multiple question, we will solve the first question for you. If you want any…