What is the concentration of Pb2+ in parts per million when 0.069 g of the chloride salt is dissolved in 810.29 mL of water? The density of water is 1.0 g/mL.

Q: 2. What volume (mL) of 0.70M Sodium hydroxide (NAOH) is needed to neutralize 270 mL of 0.40 M…

A: The neutralization reaction for the process is given below : Given that : Molarity of H2SO4 (M2)=…

Q: What is the concentration of lithium ions in 0.255 M Li₂HPO₄?

A: Given that: Molarity of Li2HPO4 = 0.255 M Concentration of Li = ?

Q: What is the molarity of ions in a 0.702 M solution of Ca(OH)₂ assuming the compound dissociates…

A: The molarity of Ca(OH)2 is 0.702 M. The complete dissociation of Ca(OH)2 is shown as,

Q: Calculate the concentration of CO32- in an aqueous solution of 0.168 M carbonic acid, H2CO3 (ag).…

A:

Q: A 25.0 mL solution of HNO₃ is neutralized with 20.4 mL of 0.250 M Ba(OH)₂. What is the concentration…

A: Given : volume of HNO3 = 25.0 mL               Volume of Ba(OH)2 = 20.4 mL…

Q: What is the concentration of CO32– in a 0.030 M solution of carbonic acid, H2CO3? For carbonic acid,…

A: We will use common ion effect

Q: A 25.0 mL solution of HNO₃ is neutralized with 44.5 mL of 0.250 M Ba(OH)₂. What is the concentration…

A: We know the relation ,  V1S1 = V2S2 (V1 is the volume of acid ,S1 is strength of acid ,V2 is the…

Q: Total Acidity (mol/L) = [H+] + 2×[H2CO3-] + [HCO3-] - [OH-] Calculate the molar concentration of…

A:

Q: What is the concentration of OH in 0.64 M HNO3?

A:

Q: A 25.0 mL solution of HNO₃ is neutralized with 36.4 mL of 0.250 M Ba(OH)₂. What is the concentration…

A: Molarity is defined as the ratio of the number of moles of solute to the volume of solution in…

Q: What is the concentration of lithium ions in 0.170 M Li₂HPO₄?

A: Given that: Concentration of Li2HPO4 = 0.170M  Li2HPO4 is strong electrolyte.

Q: What is the concentration (in molarity) of H+, HCO3−, and CO32–, in a solution that is initially…

A: Given the initial concentrations of  H2CO3 = 0.0100 M initial concentrations of  Na2CO3 = 0.000010 M…

Q: A 25.0 mL solution of HNO₃ is neutralized with 20.5 mL of 0.250 M Ba(OH)₂. What is the concentration…

A: Given; Note: 1000 mL = 1 L Concentration of HNO₃ solution = ? Volume of HNO₃ solution =  25.0 mL =…

Q: What is the concentration of lithium ions in 0.350 M Li₃PO₄?

A: Given,           [ Li₃PO₄] = 0.350 M  To calculate  concentration of lithium ions .

Q: What is the concentration of K+ ions in a 0.045 M K2CO3 solution assuming complete dissociation?…

A: Given: Concentration of K2CO3 = 0.045 M

Q: A 35.0 mL solution of Sr(OH)₂ is neutralized with 28.4 mL of 0.200 M HNO₃ . What is the…

A: Balanced chemical equation: Sr(OH)2  +   2HNO3   ------->   Sr(NO3)2  +   2H2O Number of mmoles…

Q: Determine the concentration of Pb2* in the sample of blood.

A:

Q: A 25.0 mL solution of HNO₃ is neutralized with 25.6 mL of 0.250 M Ba(OH)₂. What is the concentration…

A: At complete neutralization, no of moles of acid is equal to the no of moles of base

Q: what is the concentration of cl- ions in a 0.1 M solution of calcium chloride?

A:

Q: A 35.0 mL solution of Sr(OH)₂ is neutralized with 29.5 mL of 0.200 M HNO₃ . What is the…

A: Sr(OH)2 is a diprotic base and it is capable of accepting 2 H+ ions. 1 mole of Sr(OH)2 reacts with 2…

Q: What is the hydroxide ion concentration for a 23 % (m/v) HNO3 solution?

A: The ratio of moles to the volume of solution in liters is known as molarity.

Q: A 20.0 mL solution of NaOH is neutralized with 37.0 mL of 0.200 M HBr. What is the concentration of…

A: NaOH  +   HBr  ------->   NaBr  +   H2O So, number of moles of NaOH = number of moles of HBr…

Q: What is the concentration of a 55.1555.15 mL solution of HBr that is completely titrated by…

A: The balanced equation that depicts the reaction between HBr and NaOH is as follows, HBr + NaOH…

Q: What amount (mol) of ions will be present in solution when 0.25 mol of CoCl2 is dissolved in water?

A: 1 mole COCl2 gives 1 mol CO+2 ion and 2 mole Cl- ion Mole=mass÷molar mass

Q: 2. Determine the volume of 0.250 M of NaOH required to neutralize 0.125 grams of dried KHP.

A: The reaction taking place between KHP (KHC8H4O4) and NaOH is- KHC8H4O4 (aq)+ NaOH (aq)→KNaC8H4O4…

Q: Two solutions consisting of 169 mL of 0.6 M lead(IV) nitrate and 456 mL of 0.8M sodium sulfate are…

A: The given parameters are: volume of  lead(IV) nitrate =  169 mL = 0.169 L volume of  sodium sulfate…

Q: The OH concentration in a 7.5 x 103 M Ca(OH)2 solution is 1.5x 102 M. 1.3x 10 12 M. 1.0x 107 M. 7.5x…

A: Given information, Concentration of Ca(OH)2 = 7.5*10-3 M Calculate : Concentration of OH- = ?

Q: What is the concentration of lithium ions in 0.415 M Li₂HPO₄?

A: Concentration of  Li₂HPO₄ = 0.415 M

Q: If 24.2 g of magnesium hydroxide is needed to completely neutralize 658 mL of nitric acid, what was…

A: The balanced chemical reaction is, Mg(OH)2 + 2HNO3 --------> Mg(NO3)2 + 2H2O From the balanced…

Q: What is the molarity of ions in a 0.775 M solution of Ca(OH)₂ assuming the compound dissociates…

A:

Q: What is the concentration of lithium ions in 0.400 M Li₂HPO₄?

A: The calculation of molarity requires the knowledge of moles and volume of the solution. Molarity of…

Q: What is the volume of 0.786 M HCl is required to titrate 25.6 mL of 0.691 M of NaOH ?

A: formula - M1V1=M2V2where,M1=molarity of baseV1=volume of baseM2=molarity of acidV2=volume of acid

Q: What is the molarity of ions in a 0.966 M solution of Ca(OH): assuming the compound dissociates…

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the…

Q: What is the molarity of ions in a 0.425 M solution of Ca(OH)₂ assuming the compound dissociates…

A: Given : Molarity of Ca(OH)₂ =0.425M

Q: What is the N of 0.45 M Mg(OH)2?

A:

Q: b Identify the ions that exist in an aqueous solution of Na2CO3, and specify the concentration of…

A: Fill in the box ?

Q: What is the concentration of 32.00 mL of a lithium hydroxide solution if it is neutralized in a…

A: Volume of LiOH = 32.00 ml  Volume of H2SO4 = 18.76 ml  Molarity of H2SO4 = 0.1850 mol/L…

Q: how many milliliters of .05000 M Ca(OH)2 or .05000 M HNO3 would be required to neutralize the…

A: The values are given as follow:

Q: What is the molarity of ions in a 0.575 M solution of Ca(OH)₂ assuming the compound dissociates…

A: Given,

Q: What is the concentration of lithium ions in 0.260 M Li₂HPO₄?

A: Assume that dilithium hydrogen phosphate, Li₂HPO₄ completely ionizes in water. The reaction of…

Q: What is the molarity of ions in a 0.338 M solution of Ca(OH)₂ assuming the compound dissociates…

A:

Q: What is the concentration of Al3+ ions in a solution of AlBr3 having a Br- concentration of 0.142 M?

A: The reaction of dissociation of AlBr3 in solution is given as,   AlBr3→Al3++3Br- Given that the…

Q: What is the molar concentration (in citric acid) of a solution where 0.365 moles of citric acid are…

A: Given :  Moles of citric acid = 0.365 moles  Volume of water = 672 ml = 0.672 litre

Q: What is the concentration of an HBr solution if 28.25 mL is used to neutralize 15.01 mL of a 0.1005…

A:

Q: What is the concentration in g/L of a 0.275 M nickel(II) sulfate solution?

A: Given, 0.275 M nickel(II) sulfate

Q: What is the molar concentration of Na* ions in 0.0150 Msolutions of the following sodium salts in…

A: 0.0150 M solutions of NaBr, Na2SO4, and Na3PO4 have been considered. The molar concentration of Na+…

Q: What is the concentration of sodium ions

A:

Q: A 25.0 mL solution of HBr is neutralized with 14.9 mL of 0.105 M Sr(OH)2. What is the concentration…

A: Given, Volume of HBr solution = 25.0 mL Volume of Sr(OH)2 solution = 14.9 mL Concentration of…

Q: What is the concentration of lithium ions in 0.450 M Li₂SO₄?

A: Given: Concentration of Li₂SO₄ = 0.450 M

Q: Zn(s)+ 2 HCl(aq)®ZnCl2(aq)+ H2(g).  What mass of hydrogen gas is produced when a 7.35 g chunk of…

A: Moles of zinc reacting = mass of zinc / Atomic mass of zinc  => moles of Zn = 7.35 / 65.4 =…