If 150.0 mL of 2.5 mol/L Na2SO4 is mixed with 125 mL of 0.26 mol/L AgNO3, determine the concentration of excess reactant remaining after the reaction has taken place. Excess potassium sufide is added to 1.25 L of iron (II) nitrate solution. The mass of precipitate that forms is 4.26 g. What was the concentration of nitrate ions in the original solution?

Q: Barium hydroxide is mixed with lithium phosphate at room temperature.   If 10.0 g of barium…

A: Mass of barium hydroxide = 10.0 g  Molarity of Lithium phosphate = 0.500 mol / L We need to…

Q: A 150.0 mL solution of 3.011 M strontium nitrate is mixed with 210.0 mL of a 3.176 M sodium fluoride…

A:

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

A: Step 1:The balanced equation for this reaction is: CdCl2(aq) + 2AgNO3(aq) → 2AgCl(s) + Cd(NO3) From…

Q: 10 mL of         a          30     M         sodium           phosphate      solution…

A: The mass of lead phosphate precipitate is calculated as,

Q: Suppose 23.0 mL of 0.190 M CoCl₂ solution is added to 26.0 mL of 0.430 M NiCl₂ solution. Calculate…

A:

Q: The Burke Museum at the UW is analyzing a dinosaur bone sample for the amount of calcium it…

A: The solid

Q: Calculate the mass of precipitate formed when 35.0 mL of a 0.155 M NaBr solution is added to 25.5 mL…

A: Given, For NaBr solution Concentration of NaBr solution = 0.155 M = 0.155 mol/L Volume of NaBr…

Q: The solubility of calcium fluoride (CaF2) in water is 0.132 g per 100 ml of aqueous solution.…

A: Solubility of CaF2 is 0.132g per 100ml of aqueous solution. It means only 0.132g of CaF2 can…

Q: What mass of Naz CrO4 is required to precipitate all of the silver ions from 60.0 mL of a 0.600 M…

A: The balanced chemical reaction can be written as, Na2CrO4  + 2AgNO3 →Ag2CrO4  + 2NaNO3  The given…

Q: Hard water often contains dissolved Ca2+ and Mg2+ ions. One way to soften water is to add…

A:

Q: Aqueous solutions of the following reactants are mixed. After the reaction goes to completion,…

A:

Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 6.5 mL sample taken…

A: The balanced chemical equation between H2SO4 and NaOH states that one mole of H2SO4 reacts with two…

Q: In a neutralization reaction, 50.00 mL of 0.8500 M phosphoric acid reacts with 2.500 g of magnesium…

A: The answers to the first three questions can be given as - Given Data -

Q: When 25 mL of 0.800 M Ca(NO3)2 is added to 75.0 mL of 0.600 M NaF, CaF2 precipitates. What is the…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: 20.00 mL of a 0.30 M potassium phosphate solution is combined with 20.00 mL of a 0.40 M solution of…

A: 2K3PO4 + 3CaCl2 ----> Ca3(PO4)2 + 6KCl

Q: How many grams of PbBr2 will precipitate when excess BaBr2  solution is added to 78.0 ml of 0.524 M…

A: Recall the reaction that will occur here PbNO32 + BaBr2 →PbBr2 + BaNO32 Given that 78.0 ml of 0.524…

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: Suppose 69.0 mL of 0.290 M CoCl2 solution is added to 21.0 mL of 0.350 M NiCl2 solution. Calculate…

A: Interpretation: The Concentrations of the solution for each of ions have to be determined in moles…

Q: Suppose 50.0 mL of 0.250 M CoCl2 solution is added to 25.0 mL of 0.350 M NiCl2 solution. calculate…

A: The number of moles for a given compound or a molecule refers to the ratio of its mass to the…

Q: A student was given a 3.708-g sample of a mixture of potassium nitrate and potassium bromide and was…

A: Given ; Mass of sample = 3.708 g Mass of AgBr precipitate formed = 2.957 g And the sample contains…

Q: A 12.49 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition…

A: Average atomic mass of the element = Mass of one isotope of the element x % natural abundance + Mass…

Q: A 25.0-g sample of garden compost was analyzed for chloride content. The sample was dissolved in…

A: Given,  Mass of garden sample = 25.0 g  Mass of dried precipitate = 1.58 g

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

A: step1: Given,Volume of pbNO32 solution=900mL=0.900Lmass of solid filtered out=6.34gExcess…

Q: What is the concentration of sodium ions in a solution prepared by dissolving 5.00 grams of sodium…

A:

Q: Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 3.7 g of iron are to be…

A: The question is based on reaction Stoichiometry. we have been given mass of iron. we need to…

Q: Bud N. Chemist mixes 125.0 mL of 0.0250 M sodium phosphate (aq) with 75.0 mL of 0.0500 M calcium…

A:

Q: When 75.0 mL of a magnesium nitrate solution of unknown concentration had an excess of sodium…

A: Magnesium nitrate reacts with sodium hydroxide to form the precipitate of magnesium hydroxide and…

Q: Consider the following reaction H2S (g) + FeS(s) + CO2(g) →FeS2(s) + HCO2H(aq) If 2.00 g of each…

A: Molar mass of H2S =34g/mol Molar mass of FeS =88 g/mol Molar mass of CO2 =44g/mol  Given mass of…

Q: Identify each of the following reactions as a synthesis, decomposition, single displacement, or…

A: To Solve this problem we have to identify the given reactions .

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.