The colorless solution of an unknown solid turned red litmus blue. No odor was noted upon adding NaOH. A gray-white precipitate formed upon adding AgNO3 and a white precipitate formed upon adding Pb(NO3)2 . The flame test gave a violet color, and bubbles formed after adding HCL. identify the unknown from the list of possibilities in the Introduction to this experiment

Q: A solution containing a mixture of metal cations was treated with dilute HCl and no precipitate…

A: A metal is a substance with a lustrous appearance that conducts electricity and heat comparatively…

Q: In a reaction 45.0 mL of 0.3M of HC2H3O2 is titrated with 0.2M KOH solution. Ka= 1.8x10^-5 1) what…

A: Answers are explained below.

Q: A 43.9 mL solution of 0.827 mol L-1 HCl is titrated using 0.165 mol L-1 NaOH. What volume of NaOH…

A: Given: Molarity of NaOH=0.165 M The volume of NaOH=V mL Millimoles of NaOH=Molarity x volume…

Q: Describe a process to individually remove ions Ag+, Ba2+, and Be2+ from a solution. Be sure to list…

A: We have to separate Ag+, Ba2+, and Be2+ from a solution

Q: 8-1.    place into 7 separate test tubes 3 drops each of the test solutions for the following anions…

A: Silver nitrate is an expensive chemical, which has many uses even though slightly poisonous. It can…

Q: During this course you will use a basteriallysis buffer One of the ingredients of his buffer as…

A: Triton X-100, also known as octylphenol ethoxylate or polyethylene glycol octylphenyl ether, is a…

Q: 4. A student was performing this experiment with an antacid tablet which contained CaCO3 but forgot…

A:

Q: Why isn't using a volumetric titration to determine the pH of ocean water useful? and why is using…

A:

Q: You have a 2.20 x 10-2 L  sample LiOH with an unknown concentration. A titration is performed with…

A: Given: Volume of LiOH = 2.20 x 10-2 L Molarity of HNO3 = 2.19 M Volume of HNO3 = 24.6 mL

Q: Classify the metal ions based on whether they were definitely absent from the original mixture or…

A: This is a typical precipitation technique of the group 1 - group 4 metal cations.Starting with group…

Q: 1.) What is the concentration of lead in a saturated solution of lead(II) chloride?

A: Introduction: In a saturated solution of a particular salt, there is an existence of a dynamic…

Q: You have three known solutions: 1) Na,CO, 2) Bacl, 3) KNO, Even though you know that you have these…

A: The following observations can be made while reacting the known solutions with the reagents(i)…

Q: 20 a Consider the reaction of a 20.0 mL of 0.220 M CsHsNHCI (Ka = 5.9 x 10-6) with 12.0 mL of 0.231…

A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: Explain why the solubility of AgBr decreases when NaBr is added to the system.

A: f you have a solution and solute in equilibrium, adding a common ion (an ion that is common with the…

Q: addition of a small amount of HNO3 to a solution containing CN- ions and HCN?

A: We will explain change in solution upon addition of HNO3

Q: ne Diubility of which salt could be decrease g by the additio O NaCI O PbCl2 О КОН LICI O KNO3

A: The solubility of which salt could be decreased by adding KCl :

Q: You are given a 40.0mL sample of 0.80M CH3CH2COOH is titrated with 0.30M NaOH.  What is the pH of…

A:

Q: Electrochemistry Pre-lab A 1) Which process takes place at the anode of an electrochemical cell?…

A: Since you have asked a question will multiple sub-parts, we will solve first three sub-parts for…

Q: Can you please set up the ice table

A: Step 1:Introduction to datas :Given ,Ka for HNO2= 6.8∗10−4Molarity of HNO2= 0.55 MMolarity of…

Q: What is the solubility product expression for Al(OH)3? O Ksp = [A1³+][3OH-] O Ksp = [A1³+][OH-]³ O…

A: Ksp = [Al3+][OH-]3 ----> option(B)

Q: A solution contains 0.250 M HA (Ka = 2.4 x 10-5) and 0.30 M NaA. What type of solution results after…

A: Mixing a strong acid with its salt in suitable proportion can a form  an acidic buffer. Similarly a…

Q: Copper (II) hydroxide is amphoteric. What would have happened to your bluish-white precipitate in…

A:

Q: 5. A similar experiment, to the one performed in this lab, involved dissolving lead (II) chloride,…

A:

Q: What you expect to observe on mixing 6M NH3 with HCl. Will there be a color? Will bubbles form? Will…

A: Given: Mixing of 6M ammonia with hydrogen chloride solution To find: colour, bubbles formation,…

Q: A 15.00 ml aliquot of a 0.155 mol L1 3-methylbutanoic acid solution was titrated with a 0.198 mol L…

A: The balanced equation for the reaction between 3-methyl butanoic acid and NaOH is  where one mole…

Q: 2. Identify those salts that are more soluble in acid than in neutral solution. Explain why. ZNCO3…

A: If a reaction bis in equilibrium and product are removed by some means then reaction will move in…

Q: A solution is known to contain Bi+ ion or Cd?+ion or both. Describe the test(s) that could be used…

A: Both Bi3+ and Cd2+ are group-2 cations.  Group-2 cations form insoluble sulfides when treated with…

Q: Describe what happened when ammonium hydroxide was added to the Cu(OH)2 precipitate. What is the…

A: Both ammonium hydroxide and calcium hydroxides are the basic in nature. When ammonium hydroxide…

Q: A volume of 100 mL of 1.00 mol L HCl solution is titrated with 1.00 mol L NaOH solution. You added…

A: Given titration,    100 mL of 1.00 mol L-1 HCl solution with 1.00 mol L-1 NaOH solution.

Q: Explain why, in the Hinsberg Test, the dissolution of the precipitate is done using 10% KOH, not 10%…

A: A substance can be classified as a base when it can donate its lone pair whereas if the substance…