In the laboratory you dissolve 21.3g of potassium sulfate in a volumetric flask and add water to a total volume of 500 ml. What is the molarity of the solution?  ________ M. What is the concentration of the potassium cation? _________ M. What is the concentrartion of the sulfate anion? ________ M.

Q: Determine the number for each variable. A sample of 0.0255 mol potassium hydroxide, KOH, was…

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Q: Your laboratory uses an analytical instrument for lead (Pb) that requires calibration with four…

A: Solution - According to the question - Given - M2 = 50 µg/ml V2 = 95 ml + 5 ml = 100 ml V1 = 5 ml…

Q: 50.00 mL sample of sulfuric acid required a total of 15.28 mL of potassium hydroxide solution 1,478…

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Q: The reaction between lead(II) nitrate and potassium iodide solution is shown below   Pb(NO3)2(aq)…

A: Given data,Molarity of Pb(NO3)2=4.00mol/dm3Volume of Pb(NO3)2=5.00cm3=0.005dm3Molarity of…

Q: 2. What is the volume (in mL) of water that is mixed with acetone (CHO) and reached a concentration…

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Q: Refer to picture below. What is the pAg of the solution after addition of 5.00 mL AgNO3?

A: According to our policy, only the first question is solved and if the answers to others are required…

Q: A titration experiment required 34.30 mL of NaOH, which had a concentration of 0.275 M, to reach he…

A: Given : Volume of NaOH = 34.30 ml  Volume of H2SO4 = 15 ml  Molarity of NaOH = 0.275 M

Q: The Original volume of unknown NaCl solution = 98.407mL     The concentration of Ag + within the 10…

A: Given:  [Ag+] = 4.71370 x 10-10 Ksp = 1.77  x 10-10

Q: For the reaction: NazCO3(aq) + NICI2(aq) → NICO3(s) + 2NACI(aq) How many milliliters of 0.38 M NICI2…

A: 1- First calculate the volume of NiCl2 :  We can used M1V1 = M2V2 because both moles in the reaction…

Q: Toxic chromate can be precipitated from an aqueous solution by bubbling sulfur dioxide through the…

A: The balanced chemical equation is given below.

Q: A chemist needs 24 galons of a 30% acid solution. The solution is to be mixed from three solutions…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the concentration (M) of a NaCl solution prepared by dissolving 9.3 g of pure NaCl in…

A: Given, The mass of solute that is NaCl  is --- 9.3g Volume of NaCl solution is ---- 350mL What is…

Q: A 97.0 mL aliquot of a 0.400 M stock solution must be diluted to 0.100 M. Assuming the volumes are…

A: The question is based on the concept of molarity. molarity is defined as number of moles of solute…

Q: Let's say you added too much magnesium in the amount of 0.1189 g. How much 6.00 M HCI (in mL) would…

A: In the given reaction - Mg(s) + 2HCl(aq)  ----> MgCl2(aq) + H2(g)   1 mole magnesium needed 2…

Q: Part N How many grams of AgCl are produced if 25.00 mL of 0.200 M CaCl2 solution is completely…

A: Given: Volume of CaCl2 = 25 mL Molarity of CaCl2 = 0.2 M We know, molarity is related to number of…

Q: You have a sugar solution (solution A) with concentration x. You pour one-fourth of this solution…

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Q: HC2H3O2(aq)+NaOH(aq)⟶NaC2H3O2(aq)+H2O(l)HC2H3O2(aq)+NaOH(aq)⟶NaC2H3O2(aq)+H2O(l)   Trial  Vi (mL)…

A: Titration is the technique used in the determination of unknown concentration of a solution from the…

Q: A technician tritated a vinegar sample. Data Below: Concentration of NaOH = 0.500 M Final buret…

A: Given :  Concentration of NaOH = 0.500 M Final buret reading = 32.46 mL Initial buret reading =…

Q: Suppose you have 50. mL of 0.333 M magnesium acetate. You transfer 5.00 mL of this solution to a…

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Q: For the reaction: Na2CO3(aq) + NiCI2(aq) → NICO3(s) + 2NaCI(aq) How many milliliters of 0.47 M NICI2…

A: Solution :

Q: A 0.5008-g sample that assayed 95.9% Na2 SO4 required 48.40 mL of a barium chloride solution.…

A: Given: Mass of Na2SO4 sample = 0.5008 g. Percent by mass of Na2SO4 in sample = 95.9 % And volume of…

Q: Phosphorus pentachloride reacts with water to form hydrochloric acid and phosphoric acid (below). A…

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Q: Hg 2S(s)=2 Hg + S²- Ks ,= [Hg][S<] H2S + H2O= H3O* + HS¯ K1 = 9.6 × 10 8 HS¯+ H2O= H3O* + S²- K2 =…

A: a

Q: Toxic chromate can be precipitated from an aqueous solution by bubbling sulfur dioxide through the…

A: Given information: Volume and concentration of CrO42- are 9.8 L of 0.12 M    The reaction is…

Q: Chemistry 1.00 mL of a certain sodium hydroxide solution neutralizes 0.045 g of 10% sulfuric acid.…

A: The solution is as follows:

Q: An equation useful in these calculations is: (1st quantity) ?x (1st concentration) ?= (2nd…

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Q: 2. Specialized equipment is needed to perform a titration. a. Consider the sodium hydroxide…

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Q: What concentration of Cl−Cl− results when 985 mL985 mL of 0.507 M LiCl0.507 M LiCl is mixed with 801…

A: Given,

Q: A student mixed 400.0 mL of 6.00 M Na3PO4 and 1200.0 mL of 0.500 M Na2CO3. What is the molarity of…

A: In a mixture of two or more acids (or alkalis) that do not react with each other then the Normality…

Q: 5.00 ml of 7.35 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HCIO4 and 4.00 ml of 2.00 × 10-2 M…

A: Given: Vol of  Fe(NO3)3 = 5.00 mL Concentration [Fe(NO3)3 ] = 7.35 M Vol of HClO4 = 1.00 mL…

Q: In the laboratory you dissolve 22.8 g of nickel(II) sulfate in a volumetric flask and add water to a…

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Q: An analytical procedure requires a solution of chloride ions. How many grams of BaCl2 must be…

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Q: 0.4800 grams of a mixture that is 80.0% by mass sodium carbonate and 20.0% by mass sodium hydroxide…

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Q: 36. Zinc reacts with HCl to produce ZnCl₂ and hydrogen gas H₂: Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g).…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 1. A sample containing a mixture of CuCl2(s) and KCl(s) with a mole fraction of 6.90% KCI was…

A: Masses of KCl and CuCl2 can be figure out by finding respective moles by correlated with chloride…

Q: 5.00 mL of 5.09 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HCIO4 and 4.00 mL of 2.00 x 10-M KSCN.…

A: Given: Vol of  Fe(NO3)3 = 5.00ml Concentration [Fe(NO3)3 ] = 5.09M Vol of HClO4 = 1.00ml…

Q: A 0.678-g sodium carbonate sample with 98.6% purity requires 36.8 mL of sulfuric acid solution to…

A: We can determine molarity by using Molarity =  mole of solute/ volume of solvent (in the litter)

Q: 41.9 ml. of 0.151 M NAOH was needed to neutralize 50.0 mL of an H2S04 solution. What is the…

A: Sulfuric acid reacts with sodium hydroxide to form sodium sulfate and water. The equation for the…

Q: 5. When 4.00-L of 0.0775 M potassium sulfate and 2.25-L of 0.1600 Mbarium chloride solutions are…

A: Since you have posted a question with multiple sub parts, we will solve first three sub parts for…

Q: What volume of 0.120 M NO3- solution could be reacted by 100.0 ml of 0.500 M Mn2+ solution? NO3-…

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Q: In a solution of NiCl2, the Cl concentration is 0.036 M. How many grams of NiCl2 are in 725 mL of…

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Q: 16.) 0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL…

A: "Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: 13) How many milliliters of 0.250M AgNO3 would be needed to react exactly with 20.0g of NaCl? pure…

A: Silver nitrate reacts with sodium chloride to form silver chloride and sodium nitrate. The equation…

Q: A 6.42% (w/w) Fe(NO3)3 (241.86g/mol) solution has a density of 1.059 g/mL. Calculate: a. the molar…

A: Given data, w/w % of Fe(NO3)3 = 6.42% Molar mass of Fe(NO3)3 = 241.86g/mol Density of solution =…

Q: 2. Specialized equipment is needed to perform a titration. a. Consider the sodium hydroxide…

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Q: If 750.0 mL of a 0.750 M-H3PO, solution is be diluted to a volume of 1.00 L, what is the…

A: For the original H3PO4 solution : Molarity, M1 = 0.750 M Volume, V1 = 750 mL   For the new diluted…

Q: Analysis shows that a 2.750 mL sample of a diprotic acid reacts completely with330.0 mL of 0.2000 M…

A: Given that: Volume of diprotic acid = 2.750 mLDensity of diprotic acid = 1.200 g/mLDiprotic acid…

Q: A NC Residency Deter. +Scholarships - Goo. wh ccsf Read [References] Use the References to access…

A: For dilution , M×V = constant

Q: 0.700 g of an impure FeCl3 sample are dissolved in water to create 50.0 mL of solution. It took 1.54…

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