3. Assume that 2.4886 g of K½C13O, is dissolved in enough water to make 100.0 mL of solution. (a) What is the molarity of K¿Cr;O;? (b) What is the molarity of the potassium cation? (c) What is the molarity of the dichromate anion? The molar mass of K¿Cr»O, is 294.185 g/mol.

Q: A portion of aluminum metal (4.50 grams) is dissolved in 200 mL of Potassium hydroxide solution. How…

A: In this question, aluminium metal is dissolved in potassium hydroxide solution to form alum…

Q: What mass of Na3CrO4 is required to precipitate all of the silver ions from 20.0 mL of a 0.700 M…

A: 20.0 mL of a 0.700 M solution of AgNO3 and Na3CrO4.

Q: In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.6 grams of monohydrated Sodium carbonate…

A:

Q: What volume of 0.100 M NaOH is required to precipitate all of the nickel (II) ions from 150.0 mL of…

A: Given,  Molarity of NaOH = 0.100 M  Volume of Ni(NO3)2 = 150.0 mL  Molarity of Ni(NO3)2 = 0.347 M…

Q: When a solution of dithionite ions (S2O42–) is added to a solution of chromate ions (CrO42–), the…

A: We have find out the a) net ionic equation for this reaction and (b) How many grams of sodium…

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Q: How many grams of NiSO4⋅7H2O would be required to prepare 5.00×102 mL of a solution that is 0.300 M…

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

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Q: What is the molarity of a solution of H3PO4 if 50.00mL of it is titrated with 25.68 mL of 0.1201 M…

A: Given that: Volume of H3PO4 solution, V1 = 50.00 mL = 0.05 L, molarity = M1 Volume of NaOH solution…

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: What mass of NaOH is needed to precipitate the Cd2+ ions from 37.0 mL of 0.500 M Cd(NO3)2 solution?

A: Given:Volume of Cd(NO3)2 solution = 37.0 mL = 0.037 L.Molarity of Cd(NO3)2 solution = 0.500 M.

Q: The mass percentage of chloride ion in a 25.00-ml sample of seawater was determined by titrating the…

A: The balanced reaction for the formation of silver chloride precipitate from silver nitrate can be…

Q: A sample of 7.44 grams of magnesium chloride is weighed out on a balanced and prepared to a volume…

A: Interpretation: A sample of 7.44 grams of magnesium chloride is weighted out on a balanced and…

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

A: Stoichiometric relation help in finding the relationship between the quantity of reactant and…

Q: Suppose that 5.81 g of solid Fe2O3 is added to 47.3 mL of 0.714 M HCI solution. What is the…

A:

Q: To determine , by gravimetric analysis, the concentration of barium ions (Ba2+) in a given solution,…

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Q: Consider these compounds: A. Cas B. Ag,Cro4 C. Fes D. Zn(OH)2 Complete the following statements by…

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

A: Given mass of lead (II) chloride =12.18 g Molar mass of lead (II) chloride = 278.1 g/mol Number of…

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

A:

Q: A titration of a 0.7879g sample potassium hydrogen phthalate, KHP (GFW= 204.23g/mole), required…

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Q: An aqueous solution is 12.0% by mass silver nitrate, AGNO3, and has a density of 1.11 g/mL. The…

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Q: Consider a solution prepared by adding 2.70 g acetic acid, CH3CO2H, to 122.8 g of H2O. (a) what is…

A: Given: Mass of water = 122.8 g. And mass of acetic acid = 2.70 g.

Q: What mass of Fe(NO3)3 do you need to prepare 250.00 mL of .750 M solution?

A:

Q: .   a) What volume(ml) of 0.115 M HClO4 solution is required to neutralize 50.00 ml of  0.0875 M…

A: a) Since the acid is monoprotic while the base is diprotic And according to the reaction below…

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

A:

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

A: Balanced reaction of Pb(NO3)2 with NaCl Pb(NO3)2(aq) + 2NaCl(aq) ....> PbCl2(s) + 2NaNO3(aq) Mass…

Q: What volume of 0.0521 M Ba(OH)2is required to neutralize exactly 14.20 mL of 0.141 MH3PO4?…

A: n-factor of barium hydroxide is 2 and that of phosphoric acid is 3.

Q: What volume of sodium hydroxide (0.129 M) is needed to titrate 15.22 mL of perchloric acid (HClO4…

A: Given :-  Molarity of NaOH solution = 0.129 M  Volume of HClO4 = 15.22 mL  Molarity of HClO4 = 0.225…

Q: 12.) A 2.00g sample of limestone was dissolved in hydrochloric acid and all the calcium present in…

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

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Q: A student wishes to determine the mass percentage  of barium in a 2.016g sample. The student…

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Q: The Ca in a 200.0-mL sample of natural water was determined by precipitating the cation as CaC,O4…

A: Mass of empty crucible ( A )= 26.6002 g  Mass of crucible + CaO ( B) = 26.7134 g    Mass of CaO =  B…

Q: if 34.1g of Nal (MM= 149.89g/mol) are added to a 500.0mL volumetric flask, and water is added to…

A:

Q: Exactly 0.2220 g of pure Na2CO3 was dissolved in 100.0 mL of 0.0731 M HCl.   (a) What mass in grams…

A: First of all we need to find the limiting reagent by considering the balanced reaction. When we…

Q: The ubbalance equation for the reaction between bromine, Br2, and aqueous iodate ion IO3^- in acidic…

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Q: if 23.1g of NaOH ( MM= 40.00g/mol) are added to a 500ML volumetric flask, and water is added to fill…

A: Given :  Mass of NaOH = 23.1 g  Molar mass of NaOH = 40.00 g.mol-1  Volume of solution = 500 mL  To…

Q: Excess Na2SO4(aq) is added to a 4.41×102 mL sample of industrial waste containing Ba2+ ions. If 55.5…

A: Molarity is a term used for concentration which shows the moles of solute dissolved per liters of…

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

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Q: One cup of fresh orange juice contains 550 mg of ascorbic acid (vitamin C, ). Given that one cup =…

A: Molarity is defined as total number of moles of solute dissolved in one litre of solution Molarity…

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

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Q: What is the weight percentage of hydrochloric acid (HCI, molar mass = 36.46 g/mol) in an aqueous…

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Q: McQuarrie • Rock Galloyly A 0.3146 g sample of a mixture of NaCI(s) and KBr(s) was dissolved in…

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Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. b)…

A:

Q: The balanced equation for the reaction of aqueous Pb(ClO,), with aqueous NaI is Pb(CIO,),(aq) + 2…

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Q: What mass of Na2CrO4 is required to precipitate all of the silver ions from 20.0 mL of a 0.700 M…

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Q: What mass of Na3PO4 is required to produce 500.0 mL of solution that is 0.750 M in sodium ions? The…

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Q: Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000157 mol…

A: The solution is as follows :