A student has mixed the solutions of lead (II) nitrate and potassium iodide.(i) What was the colour of the precipitate formed? Can you name the compound?(ii) Write the balanced chemical equation for this reaction.(iii) What type of reaction is it?

Q: Writing net ionic equations The following chemical reaction takes place in aqueous solution: 2…

A: Net ionic equation involves only the ions that actually take part in the reaction.

Q: Predict the precipitate produced by mixing Al(NO3)3 solution with a NaOH solution. Write the net…

A: Aluminium nitrate reacts with sodium hydroxide to produce aluminium hydroxide as precipitate.

Q: A 21.25g mixture of the solid salts, sodium chloride and lead (11) nitrate , is added to distilled…

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Q: A dietary iron supplement consist of tablets containing the metal in the form of ferrous ions…

A: The balanced reaction taking place is given as, => 2 KMnO4 + 8 H2SO4 + 10 FeSO4 -------> K2SO4…

Q: What mass of Na3CrO4 is required to precipitate all of the silver ions from 20.0 mL of a 0.700 M…

A: 20.0 mL of a 0.700 M solution of AgNO3 and Na3CrO4.

Q: The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an…

A: Given: Mass of stibnite= 9.53g Concentration of KBrO3=0.125M Volume of KBrO3=43.3 mL

Q: In the laboratory you are given the task of separating Pb²* and Fe2* ions in aqueous solution.

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Q: What is the net ionic equation for the reaction of aqueous sodium carbonate with aqueous iron(III)…

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Q: Solid iron(III) hydroxide is added to 633 mL of 0.270 M HCl. The resulting solution is acidic and…

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Q: Which of the following reactions, all carried out in water, forms an insoluble salt as a product? A)…

A: 1)  A) HNO3 with ammonia in aqueous solutions :      NH4NO3 is water soluble salt hence no…

Q: A student wishes to determine the mass percentage of barium in a 2.016g sample. The student…

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Q: Write the complete ionic reaction for an aqueous soultion of barium chloride mixed with an aqueous…

A: A solid ionic compound will dissolve in liquid water by dissociating into an aqueous solution of its…

Q: Write the net ionic equation for the precipitation reaction in aqueous solution of barium nitrate…

A: The chemical reaction for the precipitation of the aqueous solution of barium nitrate and sodium…

Q: During a titration, it is found that 53.5 mL of a solution of NaOH is needed to neutralize 1.86 g of…

A: The molar mass of hydrochloric acid is 36.5 g/mol.

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Given: The mass of silver chloride (AgCl) is 8.5 mg The molarity of added silver nitrate solution is…

Q: One way to determine the concentration of hypochlorite ions (ClO–) in solution is by first reacting…

A: Titration based on redox reaction between the analyte and titrant is known as redox titration.

Q: What mass of solid potassium oxalate (K2C2O4), when dissolved in an acidic solution, would be…

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Q: Write the precipitation reaction for potassium sulfide in aqueous solution:

A: Precipitation reaction is defined as the reaction in which insoluble product is formed

Q: What mass of NaOH is needed to precipitate the Cd2+ ions from 37.0 mL of 0.500 M Cd(NO3)2 solution?

A: Given:Volume of Cd(NO3)2 solution = 37.0 mL = 0.037 L.Molarity of Cd(NO3)2 solution = 0.500 M.

Q: What are the products formed when the following is mixed? The resulting reaction may or may not be…

A: All salts of nitrate and potassium are water soluble as the due to size mismatch between the ions…

Q: A 0.9157 g mixture of CaBr2 and NaBr is dissolved in water, and AgNO3 is added to the solution to…

A: Given, Amount of  is 0.9157 g.Mass of the precipitate is 1.6390 g. Two reactions are taking place:

Q: following chemical reaction takes place in aqueous solution: 2 AgF(aq)+ (NH,), S(aq)Ag,S(s)+2…

A: Given 2 AgF(aq) + (NH4)2S(aq) → Ag2S(s) + 2NH4F(aq)

Q: To further investigate the reactivity of silver, the student submerges a piece of metallic scandium,…

A: Given  Reaction  Sc(s)   +  3 AgNO3(aq)   →  3 Ag(s)  + Sc(NO3)3(aq) Balance  net ionic equation = ?…

Q: The following chemical reaction takes place in aqueous solution: 2 AgF(aq)+K,S(aq) → Ag,S(s)+2…

A: To determine whether or not a reaction occurs, we use the solubility rules. If both products are…

Q: A dietary iron supplement consist of tablets containing the metal in the form of ferrous ions…

A: Given: Molarity of KMnO4 = 0.200M Volume of KMnO4 = 6.23ml To determine: Percentage of iron in the…

Q: The following chemical reaction takes place in aqueous solution: 2 AgNO3(aq)+Na,S(aq)…

A: To write the net ionic equation the following steps are involved 1. Write the balanced equation 2.…

Q: The following chemical reaction takes place in aqueous solution: 2 AgNO3(aq)+(NH,) S(aq) →Ag,S(s)+2…

A: Silver nitrate reacts with ammonium sulfide from the precipitate of silver sulfide and the aqueous…

Q: Suppose you have a solution that might contain one or more of the following cations: lead (II) ion,…

A: All the chloride salts are soluble except Lead(II)chloride, silver(I)chloride, and HgCl2. All the…

Q: 12.) A 2.00g sample of limestone was dissolved in hydrochloric acid and all the calcium present in…

A: Mass of sample of limestone = 2.00 g  Mass of precipited , CaC2O4 = 2.43 g    Ammonium oxalate is…

Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq), until no further…

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Q: Excess Na2SO4(aq) is added to a 2.43×102 mL sample of industrial waste containing Ba2+ ions. If 20.5…

A: Total industrial sample = 2.43 x 102 mLTotal mass of BaSO4 precipitated= 20.5gThe given reaction is

Q: In an acid-base reaction, hydrochloric acid reacts with magnesium hydroxide to give rise to a salt…

A: The solution is given below -

Q: How many moles of salt is produced when solutions of barium chloride and sodium chromate are added…

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Q: The net ionic equation for formation of an aqueous solution of Al(NO3)3 via mixing solid Al(OH)3 and…

A: Al(OH)3  is solid  The reaction taking place is  Al(OH)3 (s) + 3HNO3  (aq) --------> Al(NO3)3…

Q: 12.) A 2.00g sample of limestone was dissolved in hydrochloric acid and all the calcium present in…

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Q: Write the reaction using chemical formulas and showing the states of matter (s, 1, g, aq) for the…

A: The given reaction represents a double displacement reaction. In such reactions, simultaneous…

Q: A 1.22 g sample of KHP is used to titrate a NaOH solution.  A student finds that it requires 15.00…

A: Given: Mass of KHP used = 1.22 g. And volume of NaOH solution required = 15.00 mL = 0.015 L…

Q: A student wishes to determine the mass percentage  of barium in a 2.016g sample. The student…

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Q: When aqueous FeCL3 is combined with 100.00 mL of  a base solution containing Ba(OH)2, 0.567g of…

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Q: The ubbalance equation for the reaction between bromine, Br2, and aqueous iodate ion IO3^- in acidic…

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Q: Two solutions are mixed, and the resulting reaction produces NaNO3(aq) and NiCO3(s).  a. Write the…

A: Balanced equation.

Q: Calculate the mass, in grams, of nickel(II) nitrate that must be added to a 500-mL volumetric flask…

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Q: Write the net ionic equation for the precipitation reaction thatoccurs when aqueous solutions of…

A: Step 1:  Write the balanced molecular equation Step 2:  Write the states of all the reactant and…

Q: Write the correct molecular equation, complete ionic equation, and net ionic equation for the…

A: The balanced reaction between Cobalt(II) chloride and hydrocyanic acid is as follows: Complete…

Q: How many grams of HCl(s) are there in 300 mL of 4.50% w/v HCl(aq) solution?

A: Weight/Volume (w/v) percentage is a measurement of the concentration of a solution. This…

Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq), until no further…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: You are required to standardize a dilute solution of sulphuric acid, and undertake the following…

A: The reactants given are Na2B4O7 and sulphuric acid i.e. H2SO4.

Q: The concentration of acetylsalicylic acid, C9H8O4, in aspirin tablets is determined by hydrolyzing…

A: Solution A stock resolution could be a focused resolution which will be diluted to some lower…

Q: When concentrated CaCl2 (aq) is added to NazHPO, (aq), a white precipitate forms that is 38.7% Ca by…

A: 1. During a chemical reaction,  if two ions, having different reactivity exchanges there position…

Q: The strength of the eggshell of birds is determined by the calcium carbonate content of the…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.