Red 3 0.7 0.6 0.5 0.4 y = 14134x + 0.0109 0.3 R2 = 0.99982 %3D 0.2 0.1 0.00E+00 1.00E-05 2.00E-05 3.00E-05 4.00E-05 5.00E-05 MOLARITY ABSORBANCE

Q: What is the concentration (in molarity) of the Na+ ions in 0.200 L of 0.525 M Na2SO4 (aq)

A:

Q: A chemist prepares a solution of magnesium chloride by dissolving 0.25 g of MgCl2 in 50.00 mL of…

A:

Q: 250.0 mg of copper(II) sulfate pentahydrate (CuSO4•5H2O, 249.69 g/mol) was dissolved in water to…

A: Since mass of CuSO4•5H2O used = 250 mg = 0.25 g              (since 1 g = 1000 mg) Hence moles of…

Q: A 18.2 ml sample of vinegar (dilute acetic acid, CH3COOH) is titrated and found to react with 91.2…

A:

Q: If 1.5234 grams of H2C2O4·2H2O is dissolved in water to prepare a 0.250 L solution, what is the…

A: Formula to calculate molarity:                        Molarity=mass of solute(g)molar mass of solute…

Q: What is the molarity of HC2O41- in a 0.60 M  H2C2O4 (aq) solution?   Ka1 = 0.059;   Ka2 = 6.4 x 10-5

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Q: An aqueous solution contains 2.52 g of Pb(NO3)2 in one liter.  How many moles of each ionic species…

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Q: Calculate the molarity of the following solutions:   (a) 0.80 mol of solute in 118  mL of solution…

A: In multipart question we solve only first three subparts according to Bartleby Guidelines. Molarity…

Q: Lemons contain citric acid (C6H8O7). A lemon juice solution known to contain 1.6 g of citric acid…

A: The molecular formula of citric acid is C6H8O7.

Q: What is the number of equivalents of sodium in 0.806 moles of Na3PO4(aq)?

A: Number of equivalent is the multiplication.of Mole and nfactor. nfactor for salt is the charge on…

Q: Calculate the molarity of the following solutions: (a) 0.30 mol of solute in 80.5 mL of solution…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall only…

Q: What is the concentration of a solution iif 6.12 g of calcium sulfite (molar mass 120.2 amu) is…

A: Given: Mass of calcium sulfite = 6.12 g Molar mass of calcium sulfite = 120.2 u Volume of the…

Q: How many grams of sodium hydroxide, NaOH, are needed to neutralize 46.33 mL of a 8.50M sulfuric…

A: We have Molarity of of sulphuric acid as 8.5 M , volume used as 46.33 mL. We also know the balanced…

Q: For each of the following balanced equations, write the oxidation number above the symbol of each…

A: Since your question has multiple sub-parts, we will solve only first three sub-parts for you. If you…

Q: What is the molarity of a solution prepared by dissolving 64.9 grams of Pb(NO3)2 in enough water to…

A: The number of moles of lead nitrate are as:

Q: When 14g MgSO4 7H2O is dissolved in 100g water the density of the solution is found to be 1.060g/mL.…

A: Molarity:  Molarity is one of the unit of concentration. It is defined as the number of moles of…

Q: What volume of a 0.250 M AgNO3 (aq) solution Contains 2.34g of silver nitrate?

A:

Q: What is the mass percent of the solution when 6.616 g of Na 2SO 4 is dissolved in water to make…

A:

Q: the molarity of this solution

A: Given data, Weight of Oxalic acid = 0.0620 g Molar mass H2C2O4.2H2O = 126.07 g/mol Volume of…

Q: If 48.41 mL of a standard 0.4434 M NaOH solution is required to neutralize 35.23 mL of H2SO4, what…

A: Given, Molarity of NaOH = 0.4434 M.             Volume of NaOH = 48.41 mL = 0.04841L. The balanced…

Q: What is the molarity of potassium ions in a 0.122 M K2CrO4 solution?

A:

Q: A chemist prepares a solution of vanadium(III) bromide (VBr,) by measuring out 49. mg of VBr, into a…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: You dilute 35.00 mL of 1.12 M K₂SO₄ to a volume of 250.00 mL of pure water. What is the…

A: In chemistry, the term concentration is used to define the amount solute in given amount of…

Q: What is the molarity of a solution with 11.00 grams of solute and a volume of 4650.0 ml? The solute…

A: Consider the given information is as follows; Mass of solute = 11.00 g Volume of solution = 4650.0…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 567 mg of chloride…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Solution A is 0.2400 M Ca(NO3)2(aq). Solution A is diluted by a factor of 3 to form Solution B.…

A: The reaction taking place is  3As2O3 + 4NO3- + 7H2O + 4H+ → 6H3AsO4 + 4NO Balancing explanation :…

Q: solution is prepared by putting 7.3 g of potassium bromide, KBr, in a flask and adding water up to…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter.      Molar…

Q: What is the concentration of a solution of 0.564 moles of Ba(OH)2 in 124.0 mL of water?

A: The concentration of a solution is generally explained in terms of its molarity. Molarity of a…

Q: Given the reaction : 2H3PO4(aq) + 3K2CO3 (aq)→ 3CO2 (g) + 3H2O(l) + 2K3PO4(aq) (c)Write the…

A:

Q: What is the molarity of a solution prepared by taking 6.864 g of potassium permanganate (KMnO 4) and…

A:

Q: When potassium cyanide (KCN) reacts with hydrochloric acid, a poisonous gas of hydrogen cyanide is…

A: Given      KCN          +           HCl      →  KCl     +   HCN    mass of KCN   = 0.140 gram…

Q: ow many moles of Na+ ions are in 100.mL of 0.100MNa3PO4(aq) ?

A: Na3PO4   It is Sodium Phosphate Molarity  =  number of moles/volume is litres

Q: How many moles of sulfuric acid,H2SO4, are neutralized by 23.46 mL of 0.238 M NaOH(aq)? Begin by…

A: The neutralization reaction of H2SO4 by NaOH takes place forming salt and water. It can be expressed…

Q: What is the molarity of the potassium ions [K+] in a solution prepared by dissolving 28.5 g of K2CO3…

A: Given: The volume of the solution=200mL=0.2 L. The molar mass of K2CO3=138.21 g/mol. The given mass…

Q: How many grams of NaCl are in a 635mL solution of 3.00 M NaCl(aq)?

A: Molarity of solution = 3.00 M Volume of solution = 635 mL = (635/1000) L = 0.635 L Volume of…

Q: Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol…

A: Volume of solution = 163 mL  Volume of solution in L = 0.163 L  Molarity of solution = 3.108 M  We…