If 38.5 mL of lead(II) nitrate solution reacts completely with excess sodium iodide solution to yield 0.628 g of precipitate, what is the molarity of lead(II) ion in the original solution?

Q: The number of milliliters of 12.0 M HBr required to prepare 250 mL of 5.00 M HBr is ________.

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Q: If 250 mL of 0.73 M HNO3 is diluted to 350 mL, what is the molarity of the resulting solution?

A: Since the process is dilution. Hence it means that only water is being added. Hence the initial…

Q: Which of the following are examples of soluble compounds? Hydroxides Chromates Sulfides Nitrates

A: The compounds given are hydroxides, chromates, sulfides and nitrates.

Q: A 0.4567 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride…

A: Mass percentage of an element is the mass of that element divided by the total mass of the compound…

Q: If 38.0 g of KCI (MM = 74.55 g/mol) are added to a 500.0 mL volumetric flask, and water is added to…

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Q: The US Environmental Protection Agency (EPA) places limits on the quantities of toxic substances…

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Q: A sample of 0.3207 g of an ionic compound containing the bromide ion (Br) is dissolved in water and…

A: Number of moles is calculated by dividing given mass with molecular mass.

Q: What mass of calcium hydroxide could be reacted by 1.000 g hydrochloric acid?

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Q: A sample of 0.3233 g of an ionic compound containing the bromide ion (Br¯) is dissolved in water and…

A: Given information: Mass of sample = 0.3233 g Mass of AgBr = 0.7017 g

Q: 471 mL of 2.013 M linthium baltimide (LiBr, 84.781 g/mol) is combined with 380 mL of 6.582 M shorium…

A: Calculation

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 472…

A: Given: Volume = 472 ml  Molarity = 0.383 g/L  And we know that the molar mass of one mol of…

Q: A sample of 0.8360 g of an unknown compound containing barium ions (Ba2+) is dissolved in water and…

A: The species mass is expressed as the multiplication between the species moles and species molar…

Q: 3. Aqueous potassium phosphate is added to 545 mL of a solution containing calcium chloride to…

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Q: When 900 mL of a lead(II) nitrate solution of unknown concentration had an excess of sodium chloride…

A: Given,  Volume of Pb(NO3)2 = 900 mL  Mass of precipitates filtered out = 6.34 g  Molar concentration…

Q: A 0.5620-g sample of an ionic compound containing the bromide ion (Br−) is dissolved in water and…

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Q: If 30.0 g of Nal (MM = 149.89 g/ mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Concentration or Molarity of NaI in the resylting solution will be: = Number of moles of NaIVolume…

Q: If 25.0 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.842…

A: Molarity :- It is the number of moles of the solute dissolved per litreof the solution . It is…

Q: What mass of phosphoric acid in grams is needed to produce 4.59 mol of water?

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Q: Write the net iconic equation, if any, that occurs when aqueous solutions of: strontium nitrate and…

A: When aqueous solutions strontium nitrate, Sr(NO3)2 and potassium iodide, KI are mixed, no reaction…

Q: What will be the molarity of a solution if 4.92 grams of magnesium carbonate (MgCO3) are dissolved…

A: Given : Mass of MgCO3 = 4.92 g And volume of solution = 450 mL = 0.450 L…

Q: When an aqueous solution of 6.71 g of barium chloride was added to an aqueous solution of 7.77 g of…

A: The reaction between barium chloride and potassium chromate is shown below, The given grams are…

Q: Potassium chloride reacts with lead (II) nitrate and forms the precipitate lead (II) chloride. What…

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Q: When solutions of silver nitrate and sodium chloride are mixed, a precipitation reaction occurs.…

A: The reactants given are  1) Silver nitrate i.e AgNO3  2) Sodium chloride i.e NaCl Hence the…

Q: If 38.5 mL of lead(II) nitrate solution reacts completely with excess sodium iodide solution to…

A: Given information: Volume of solution = 38.5 mL Mass of precipitate = 0.628 g Atomic Mass : Pb-207,…

Q: What mass of calcium hydroxide could be reacted by 1.00 g hydrochloric acid?

A: The reaction between calcium hydroxide and hydrochloric acid…

Q: If 0.576 g of copper(II) sulfate is allowed to react with 0.522 g of sodium carbonate, what will be…

A: The balanced reaction is given as: CuSO4+Na2CO3→CuCO3+Na2SO4

Q: If 17.9 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.301…

A: Molarity is used for calculation of the amount of substance present in a particular volume of…

Q: If 17.0 g of NaI (MM = 149.89 g/mol) are added to a 500.0 mL volumetric flask, and water is added to…

A: Given, the amount of NaI =17.0 grammolar mass of NaI =149.89 g/molvolume of solution =500.0 mL =0.5…

Q: You mix 500.0 mL of 0.250 M iron(III) chloride solution with 375.0 mL of 0.350 M barium chloride…

A: Given : Molarity of iron (III) chloride (FeCl3) =0.250 M  Volume of iron (III) chloride…

Q: What is the molarity of a solution prepared by dissolving 153.6 g NaI in enough water to make 425 mL…

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Q: A sample of 0.3291 g of an ionic compound containing the bromide ion (Br) is dissolved in water and…

A: Given Mass of sample = 0.3291 g Mass of AgBr = 0.6905 g Moles of AgBr = mass of AgBrmolar mass of…

Q: If 21.9 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.876…

A: Given: Volume of silver nitrate i.e. AgNO3 used = 21.9 mL = 0.0219 L                      (Since 1 L…

Q: What precipitate forms when aqueous solutions of calcium bromide and potassium phosphate are mixed?

A: Since the salt calcium phosphate is insoluble in water Hence by the reaction of calcium bromide and…

Q: A student determines the zinc content of a solution by first precipitating it as zinc hydroxide, and…

A: Calculation of no. of mol of Zn(NO3)2: n=Molarity×Volume=0.562 mol/L×50.0×10-3L=0.0281 mol 1 mol of…

Q: How many grams of lead (IV) chloride would precipitate if a 240 g sample of nickel (II) chloride was…

A: In a balanced chemical reaction the reactants react and the products form in the molar ratio of…

Q: If 28 g of potassium hydroxide is reacted with phosphoric acid, what is the theoretical yield of the…

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Q: What mass of hydrochloric acid is required to fully react with 15.0 grams of zinc metal to produce…

A: Answer

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

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Q: h) What is the mass, in grams, of barium sulfide precipitate that is formed from the reaction of…

A: Given, Ba(NO3)2 + FeS → BaS + Fe(NO3)2 Note: 1000 mg = 1 g Mass of iron (II) sulfide {FeS} = 18.2 mg…

Q: What is the concentration of HNO3 if 0.456 mol are present in 765 mL of the solution? Express your…

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Q: In a double replacement reaction, 1.214 g of tin(ii) fluoride react with sodium phosphate to form a…

A: The percent yield (% yield) of a reaction is mathematically expressed as: %Yield = (Actual…

Q: A chemist prepares a solution by dissolving 0.3 mole of CaCl2 in enough water to make 1000 mL of…

A: Molarity = Number of moles of soluteVolume of solution (in L)Given that 0.3 mole of CaCl2 is added…

Q: What are the spectator ions present when aqueous solutions of rubidium phosphate and yttrium(II)…

A: Given: An aqueous solutions of rubidium phosphate and yttrium(III) bromide are mixed. To determine:…

Q: When aqueous solutions of lead(II) ion are treated with potassium chromate solution, a bright yellow…

A: Given: Mass of lead nitrate = 1.00g Volume of potassium chromate = 25 mL Concentration of potassium…

Q: If 88.6 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.225…

A: The precipitation reaction between silver nitrate solution and potassium chloride takes place as,…

Q: A student determines the iron(III) content of a solution by first precipitating it as iron(III)…

A: The balanced chemical equation representing the precipitation of ferric nitrate in water can be…

Q: A student determines the iron(III) content of a solution by first precipitating it as iron(III)…

A: Given, Concentration of iron(III) nitrate solution = 0.539 M = 0.539 mol/L Volume of iron(III)…

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 53.6…

A: MgCl2 (aq) -------->  Mg2+(aq)  +  2Cl- (aq)  Number of moles = Molarity x volume (L) 1 mole =…

Q: A sample of 0.6760 g of an unknown compound containing barium ions (Ba) is dissolved in water and…

A: Introduction The mass percentage of any particular compound can be calculated by simply applying the…

Q: A 0.4455 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride…

A: Given that, Mass of chloride sample = 0.4455 g Mass of AgCl formed = 0.9496 g We have to calculate…