A 10.4 g sample of a mixture of NaCl and BaCl2 is treated with an excess of aqueous K2SO4. All of the solid precipitates are filtered, dried, and weighed. If the precipitate has a mass of 5.82 g, what is the percent by mass of BaCl2 in the mixture? Element Na S K Ba CI Molar Mass (g mol-1) 16.00 22.99 32.06 39.10 137.3 35.45 Enter your percent accurate to three significant figures. Do not round any calculations until the end of the question. Number

Q: A 12.3 g sample of an alloy of Mg (35%) and Al (65%) produces H2 when added 25 ml of 1.21 M HCI.…

A:

Q: What mass of PbCl2 can form from 0.470L of 0.220 M KCI solution if there is plenty of Pb(NO3)2…

A: Given : Molar mass of PbCl2 = 278.1 g/mol Molarity(M) of KCl solution = 0.220 M Volume = 0.470 L…

Q: How many grams of PbBr2 will precipitate when excess NaBr solution is added to 66.0 mL of 0.609 M…

A: Hello. Since the question contains multiple parts, the first part is solved. In case the solution…

Q: impure

A: moles of AgCl = ( mass / molar mass of AgCl )  moles of AgCl = ( 0.9805g / 143.32gmol-1 )  moles of…

Q: If 20 mL of 0.5 M Pb(NO3)2 solution is added into 40 mL 0.5 M KI solution, how many grams of Pbl2…

A: A multiple choice question based on mole concept, which is to be accomplished.

Q: A solution of 118mL of 0.180 M KOH is mixed with a solution of 260mL of 0.190M NiSO4. = 2KOH(aq) +…

A: As per our guidelines we can only solve first three sub-parts of a question. Please resubmit the…

Q: How many grams of PbBr2 will precipitate when excess NiBr2 solution is added to 57.0 mL of 0.520M…

A: Given Chemical equation ::  Pb(NO3)2(aq) + NiBr2(aq) -->  PbBr2(s) + Ni(NO3)2(aq)

Q: How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 44.0 mL of…

A: The balanced reaction involved is 2AgNO3 (aq) + (NH4)2CO3 (aq) ----> Ag2CO3 (s) + 2NH4NO3 (aq)…

Q: How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 60.0 mL of…

A:

Q: hOW MANY GRAMS OF Ag2CrO4 will precipitate when 86ml of 0.2 molar Ag2CrO4 is added to 500 ml of 6.3…

A: Given information: Volume of AgNO3 = 86 mL Molarity of AgNO3 = 0.2 M Volume of K2CrO4 = 500 mL…

Q: 3. A sample weighing 640 mg is comprised of 12 % KCI, 8.71 % CaCl,, and inert material. What weight…

A: AgCl can be precipitated from the solution containing ionic chloride compounds. Here in this…

Q: How many grams of Ag2CO3 will precipitate when excess Na2CO3 solution is added to 45.0 mL of 0.538M…

A:

Q: How many grams of PbBr2 will precipitate when excess AlBr3 solution is added to 63.0 mL of 0.606 M…

A:

Q: 1 %YV l. I O 1:YV مطلوب Q1 When the substance (2 K2B407.XH2O is converted into a precipitate of B2O3…

A: Gravimetric Factor:In general the precipitate weigh is usually in a different form than the analyte…

Q: How many grams of PbBr2 will precipitate when excess CoBr2 solution is added to 62.0 mL of 0.530 M…

A: The reaction will be as follows: Pb(NO3)2(aq) + CoBr2(aq)---------------> PbBr2(s) + Co(NO3)2(aq)…

Q: A solution of HCl is prepared for titration of unknown Na2CO3 samples, by standardization with pure…

A: Mass of Na2CO3 = 0.4453 g Molar mass of Na2CO3 = 105.99 g/mole Mole of Na2CO3 =…

Q: How many grams of PbBr2 will precipitate when excess NH,Br solution is added to 58.0 mL of 0.734 M…

A: We have to predict mass of lead bromide formed.

Q: The mass of HgBr2 precipitated when 15.00 mL of 0.337 M Hg(NO3)2 solution is added to excess KBr…

A: Given, Concentration of Hg(NO3)2 solution = 0.337 M = 0.337 mol/L Volume of Hg(NO3)2 solution =…

Q: A solution of 300.0 mL of 0.150 M Nickel (II) sulfate is mixed with a solution of 100.0 mL of 0.200…

A:

Q: Sodium hydrogen carbonate (NaHCO,, also known as sodium bicarbonate or "baking soda", can be used to…

A: Given, HCl(aq) + NaHCO3(aq) ➝ NaCl(aq) + H2O(l) + CO2(g) Molarity of HCl solution = 0.040 M = 0.040…

Q: How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 79.0 mL of…

A: Number of moles can be calculated as follows:

Q: How many grams of PbBr2 will precipitate when excess NH4B solution is added to 54.0 mL of 0.566 M…

A:

Q: 14 If 10 mL of 0.5 M Pb(NO3)2 solution is added into 20 mL 0.5 M KI solution, how many grams of Pbl2…

A: Molarity = Moles of solute/Volume of solution(L) Moles of solute = Mass of solute/Molar mass of…

Q: How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 45.0 mL of…

A:

Q: a. Determine the mass of precipitate produced when 50.0mL 0.025M Mn(NO3)2 and 50.0mL 0.10M Na2CO3…

A:

Q: Gravimetric Analysis: Determination of Chloride Ion in Sodium Chloride Salt Mass of Unknown Sample=…

A: Mass of Unknown  Sample= 0.4567 g Mass of filter paper= 1.0023 g Mass of watch glass=22.8795 g Mass…

Q: A solution of 100.0 mL of 0.200 M KOH is mixed with a solutionof 200.0 mL of 0.150 M NiSO4. (a)…

A:

Q: How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 74.0 mL of…

A: The reactant molecule that has less number of moles than the other reactant molecules and which…

Q: How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 62.0 mL of…

A: 1- First we will determine the moles of AgNO3 : moles of AgNO3 = [ Molarity × Volume ]  moles of…

Q: A 50.0-ml portion of a solution containing 0.215 g of Ba Cl₂ • 2H₂O is mixed with 50.0 mL of a…

A: BaCl₂ • 2H₂O + 2NaIO3  --> Ba(IO3)2 + 2NaCl  + 2H2O

Q: How many grams of Ag2CO3 will precipitate when excess Na2CO3 solution is added to 41.0 mL of 0.744 M…

A:

Q: How many grams of PbBr2 will precipitate when excess NaBr solution is added to 72.0 ml of 0.791 M…

A:

Q: 1.0 L of 0.75 M solutions of AgNO3 and BaCl2 are mixed. The following reaction occurs:…

A:

Q: () Sulphuric acid is prepared from sulphur dioxide through the reaction 2S0. (3) +0: (g) +- 2S0: (g)…

A: Answer :-  (i) The yield of SO3 is maximise when-  - Temperature is reduced  - Pressure is…

Q: When excess Na,So, solution was added to 20.0 mL of an unknown solution containing Ca 0.0472 g of…

A: The question is based on the concept of Reaction Stoichiometry and solutions. We have to identify…

Q: An excess oxalic acid, H2C¿O4, is added to an aqueous solution of the sample which contains Calcium…

A: To determine which compound forms a precipitate, we have to know the solubility rules. According to…

Q: K2CrO4 (aq) + 2AgNO3(aq). -----> Ag2CrO4(s) + 2KNO3(aq) how many moles of precipitate could form…

A:

Q: The precipitated compound, and the mass of this precipitated compound when 0.015 L of 0.337 M…

A: Number of moels of the substance is equal to the ratio of mass to the molar mass of the substance.…

Q: A 38.5 mL sample of 0.875M AgNO3 solution is mixed with 51.0mL sample of 0.744M NaCl solution. The…

A: Given, 38.5 mL sample of 0.875M AgNO3 51.0mL sample of 0.744M NaCl solution

Q: A 21.25 g of a mixture of the solid salts, sodium chloride and lead II nitrate, is added to…

A: Given that - Mass of precipitation formed of PbCl2 = 11.06 g Mass of mixture, NaCl + Pb(NO3)2 =…

Q: How many grams of Cu(OH)2 will precipitate when excess KOH solution is added to 60.0 mL of 0.755 M…

A: To solve this first we have to calculate the number of mole of Cu(NO3)2  then we will calculate the…

Q: An excess of AgNO, was added to a 0.24 g sample of 70.6 % CaCl2 ( 111 g/mol). What is the mass of…

A: Mass of sample = 0.24 gpercentage of CaCl2 in sample = 70.6 %Mass of CaCl2 present in sample = mm =…

Q: Barium can be analyzed by precipitating it as BaSO4BaSO4 and weighing the precipitate. When a  0.265…

A:

Q: 50.0-mL portion of a solution containing 0.222 g of BaCl2 x 2H2O is mixed with 50.0 mL of a solution…

A:

Q: The constant balance for this reaction: PH3BC13(s) PH3(g) + BCI3(g) Is K=

A: Constant balance is the equilibrium constant(Keq), which is the ratio of the concentration of…

Q: Jack was asked to determine iron (55.845 g/mol) content in dietary supplement. He took few random…

A: The question is based on the concept of quantitative analysis. We will determine percentage iron…

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

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is defined as…

Q: If 20 mL of 0.5 M Pb(NO3)2 solution is added into 40 mL 0.5 M KI solution, how many grams of Pbl2…

A:

Q: What mass of solid AgCl will precipitate from a solution containing 1.50g CaCl2 with AgNO3 in…

A: