A sample of 0.7960 g of an unknown compound containing barium ions (Ba5 is dissolved in water and treated with an excess of Na,so. If the mass of the BaSo, precipitate formed is 0.7590 g. what is the percent by mass of Ba in the original unknown compound?

Q: A 0.4705 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride…

A: As per the given information  mass of AgCl is 1.0716 g molar mass of AgCl is 143.35 The calculation…

Q: Titration of a 20.0 mL sample of acid rain required 1.7 mL of 0.0811 M NaOH to reach the end point.…

A: Molarity is defined as moles of solute present per liter kf a solution. molarity=moles of…

Q: A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass…

A: Chemical reaction between sodium hydroxide and KHP as follows:

Q: 1. A sample containing magnetite, Fe;O4, was analyzed by dissolving a 1.5419-g sample in…

A: Amount of Ore obtained Fe=0.8525g Reaction involved  Fe3O4 + 8HCl ----------   Fe+2+2Fe+3 4Fe3O4  +…

Q: A sample of 0.3220 g of an ionic compound containing the bromide ion (Br-) is dissolved in water and…

A: Given mass of sample=0.3220 gMass of AgBr precipitated=0.694 g% by mass of Br in sample=?

Q: A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution. After…

A: Volume of HCl = 0.10 L Molarity of HCl = 0.750 M Initial moles of HCl = molarity×volume =0.750 M…

Q: impure

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

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: 1. If 8.5 g of pure ammonium phosphate, (NH₂),PO,(s), is dissolved in distilled water to make 400 mL…

A: Dear student , since you have posted multiple questions we are allowed to solve only first question…

Q: A 0.5683 g sample of a pure soluble bromide compound is dissolved in water, and all of the bromide…

A:

Q: Write the balanced neutralization reaction that occurs between H2SO4 and KOH in aqueous solution.…

A:

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: Upon heating, 48.6 mL of water was evaporated from 180. mL of 0.302 M C6H12O6(aq). What is the…

A: Given that,concentration of C6H12O6 = 0.302 M = 0.302 mol/Lvolume of the solution = 180 mL = 0.18…

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: A 0.6247g sample of an ionic compound containing the bromide ion (Br-) is dissolved in water and…

A: Bromide ion reacts with silver nitrate and silver bromide is precipitated during this reaction.  The…

Q: percentage KCl

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Q: A sample of manganese weighing 3.245 g is dissolved in 2.00 M HCl....   A) When an excess of Na2S…

A: Given, A sample of manganese weighing 3.245 g is dissolved in 2.00 M HCl....   A) When an excess of…

Q: 3. A 0.8838-g sample of an ionic compound containing bromide ions and an unknown metal cation is…

A:

Q: A sample of 0.3220 g of an ionic compound containing the bromide ion (Br−) is dissolved in water and…

A: Calculate the number of moles of AgBr formed. Number of moles = Given massMolar massNumber of moles…

Q: Enter your answer in the provided box. A sample of 0.8360 g of an unknown compound containing barium…

A: Mass of baso4 ppt=0.7737g Total mass of compound= 0.8360g

Q: Suppose 7.00 g of AGNO3 is added to a solution which contains an excess of dissolved KBr. If 7.32g…

A:

Q: How many grams of PbBr2 will precipitate when excess AlBr3 solution is added to 66.0 mL of 0.754 M…

A: Given: Concentration (molarity) of Pb(NO3)2 = 0.754 M  Volume of Pb(NO3)2 = 66.0 mL molar mass of…

Q: Enter your answer in the provided box. A sample of 0.7560 g of an unknown compound containing barium…

A: The balanced chemical equation,  Ba²⁺(aq) + Na2SO4(aq) --> BaSO₄(s) + 2Na+(aq) Molar mass of Ba²⁺…

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: What mass of Na2 CrO4 is required to precipitate all of the silver ions from 25.0 mL of a 0.200 M…

A: Molarity of AgNO3 = 0.200 M Volume of AgNO3 solution = 25.0 mL = (25.0 / 1000 ) L = 0.025 L We need…

Q: A) If 500 mL of .300 M silver nitrate are mixed with 200mL of 0.5 M calcium chloride, how many grams…

A: In a balanced equation, the number of atoms on both sides of the equation should be identical. The…

Q: The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3,…

A: Given: Hardness=175 mg CaCO3/L

Q: 61. What mass of Na2 CrO4 is required to precipitate all of the silver ions from 75.0 mL of a…

A: The volume of 0.100 M solution of AgNO3 is 75.0 mL. The chemical reaction that takes place between…

Q: A barium mineral was dissolved in HCl to give a solution of BaCl 2. An excess of potassium sulfate…

A: Given: Volume of BaCl2 solution = 75.00 mL = 0.075 L                                (Since 1 L =…

Q: A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory…

A: Solution In chemistry, concentration refers to the number of a substance in a very outlined area.…

Q: You can test For the presence of chloride ions in a sample of water by adding silver nitrate AgNO3,…

A: Given,         CaCl2(aq) + 2AgNO3 (aq)  -------> 2 AgCl (s)+ Ca(NO3)2 (aq) CaCl2 = 1.50 g ,  mass…

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: Ammonia (NH,, MM 17.031 g/mol) and hypobromite (OBr") react according to the following chemical…

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Q: weight of Mn

A:

Q: Q5: A sample of 0.676g of an unknown compound containing barium ions (Ba+) is dissolved in water and…

A: The required reaction is : Ba2++ Na2SO4→BaSO4+2 Na+ mass of BaSO4 precipitated =0.4105 g

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

A: First we find the moles of PbCl2 , from the moles of PbCl2 and using the Balanced chemical equation…

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: 2) ) A student who wants to make the determination of calcium, and he dissolved impure 0.1453 g…

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Q: weight of Mn ore

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Q: Write the complete, balanced reaction that occurs when manganese (II) nitrate is mixed with sodium…

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Q: A sample weighing 0.2500g contains chloride ions, which precipitate as silver chloride. The formed…

A: We have to predict the Percentage concentration of chloride in the sample.

Q: When an sample of impure potassium chloride (0.4500g) was dissolved in water and treated with an…

A: Given, mass of sample of impure potassium chloride = 0.4500 g Excess reactant = silver nitrate Mass…

Q: A sample of 0.5220 g of an ionic compound containing the bromide ion (Br-) is dissolved in water and…

A: First, calculate the moles of AgBr from the given mass as: Molar mass of AgBr = 107.8682 g/mol +…

Q: 0.9545 g of calcium nitrate salt, Ca (NO3) 2, is weighed, dissolved in concentrated HCl solution and…

A:

Q: Enter your answer in the provided box. A sample of 0.7960 g of an unknown compound containing barium…

A: The unknown sample containing Ba+² ions = 0.7960 g The Baso4 precipitate formed is = 0.8801 g First…

Q: 1. A sample containing magnetite, Fe;O4, was analyzed by dissolving a 1.5419-g sample in…

A: A numerical problem based on isolation of metals, which is to be accomplished.

Q: A student prepares a solution by dissolving 7.46 g of solid KOH in enough water to make 550.0 mL of…

A: A strong base dissociates in the solution completely. KOH is a strong base which gives potassium…

Q: A sample of 0.7960 g of an unknown compound containing barium ions (Ba2+) is dissolved in water and…

A:

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…

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.