Give all answers online to 3 significant figures.   115.0 mL of 0.175 M KOH is mixed with 175.0 mL of 0.150 M NiSO4. (a) Write a balanced chemical reaction for the reaction that occurs.   (b) The mass of precipitate that forms is  g At the completion of the reaction, (c) the concentration of nickel ions in solution would be  M, and (d) the concentration of the sulphate ions would be  M

Q: A 21.25g mixture of the solid salts, sodium chloride and lead (11) nitrate , is added to distilled…

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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 reaction between KCl(aq) and AgNO3(aq), a precipitate of AgCl(s) will form. What mass (in…

A: Molarity of AgNO3 solution = 0.220 Volume of AgNO3 solution = 27.2*10-3 Molar mass of KCl= 74.55…

Q: The US Environmental Protection Agency (EPA) places limits on the quantities of toxic substances…

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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…

A: Given that,concentration of C6H12O6 = 0.302 M = 0.302 mol/Lvolume of the solution = 180 mL = 0.18…

Q: A 0.3146 g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting solution…

A: The reaction involves the determination of the unknown ions in a solution as their insoluble salt…

Q: The aluminum in a 0.805 g sample of an unknown material was precipitated as aluminum hydroxide…

A: Given,Mass of Aluminum = 0.805gMass of Al2O3 = 0.127 g Molar mass of Al2O3 is 101.96g/molMolar mass…

Q: Consider the precipitation reaction that takes place when a water solution of aluminum nitrate,…

A: On reacting above two aluminium phosphate precipitate and potassium nitrate form as side product.

Q: About 6x 10°g of goldis thought to be dissolved in the oceans of the world. If the total volume of…

A: Given, Mass of gold = 6*109g Volume of ocean = 1.5 *1021L

Q: What mass of phosphoric acid in grams is needed to produce 4.59 mol of water?

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

A: Given : Molarity of H2SO4 = 0.20M Volume of H2SO4 = 20mL

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

A: Given: The mass of silver chloride (AgCl) is 8.5 mg The molarity of added silver nitrate solution is…

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

A: Given : Mass of sample = 2.016g Molarity of H2SO4 = 0.20M Volume of H2SO4 = 20ml

Q: A 14.3 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

A: In the given question we have to calculate the mass Percent of perchloric acid. the given data: mass…

Q: 4.What is the molarity of the resulting solution? . From 60 ml of a 1.6 M nickel phosphate solution,…

A: Given that : Volume of nickel phosphate solution (V1)= 60 mL Molarity of nickel phosphate solution…

Q: What is the concentration (in Molarity units) of [Cu2+] in a solution that was prepared by weighing…

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Q: A 0.9157 g mixture of CaBr2 and NaBr is dissolved in water, and AgNO3 is added to the solution to…

A: Given, Amount of  is 0.9157 g.Mass of the precipitate is 1.6390 g. Two reactions are taking place:

Q: To further investigate the reactivity of silver, the student submerges a piece of metallic scandium,…

A: Given  Reaction  Sc(s)   +  3 AgNO3(aq)   →  3 Ag(s)  + Sc(NO3)3(aq) Balance  net ionic equation = ?…

Q: 1.00 L of a solution is prepared by dissolving 125.6 g of NaF in it. If I took 180 mL of that…

A: Given : Mass of NaF = 125.6 g Volume of initial solution = 1.00 L  Volume of initial solution used =…

Q: Calculate the mass, in grams, of potassium iodide that must be added to a 125-mL volumetric flask in…

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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: A solution is prepared by adding 25.0 mL of 1.30 M AlCl3 solution to a flask, and then adding enough…

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

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Q: How many moles of salt is produced when solutions of barium chloride and sodium chromate are added…

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Q: Write the reaction using chemical formulas and showing the states of matter (s, 1, g, aq) for the…

A: The given reaction represents a double displacement reaction. In such reactions, simultaneous…

Q: Consider

A: We will calculate mass percent of acetic acid

Q: The town of Andover obtains drinking water from three sources that together produce up to 6.81 × 107…

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Q: Write the balanced NET ionic equation for the reaction when aqueous CS:PO4 and aqueous AgNOs are…

A: We have the equation as  Cs3PO4 (aq) + AgNO3 (aq) →Ag3PO4 (s)+ CsNO3 (aq)

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

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Q: When aqueous FeCL3 is combined with 100.00 mL of  a base solution containing Ba(OH)2, 0.567g of…

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

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Q: A student pipets 18 mL of a 0.0459 M solution of CaCl2 into a 100.00 mL volumetric flask and dilutes…

A: Given  Initial Volume of solution ( V1 ) = 18 mL  Molarity ( M1 ) = 0.0459 M  Final Volume of…

Q: 2) ) A student who wants to make the determination of calcium, and he dissolved impure 0.1453 g…

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Q: Two solutions are mixed, and the resulting reaction produces NaNO3(aq) and NiCO3(s).  a. Write the…

A: Balanced equation.

Q: A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass…

A: Given, Mass of KHP =0.7840 g Initial reading of burette=0.8400 mL Final reading of burette = 39.20…

Q: A student needs to prepare 250 mL of a 0.500 M aqueous solution of sucrose, C,,H,,0, (aq), which is…

A: The given data contains, Volume = 250 ml = 0.250 L Molarity = 0.500 M Molar mass of sucrose =…

Q: Calculate the initial thiocyanate ion concentration, [SCN ]o, in the reaction mixture obtained by…

A: To calculate initial concentration of thiocyanate ion , we would need moles of thiocyanate ion and…

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: Chemical analysis of a 45 mL sample of water from the Great Salt Lake shows that it contains 1660.5…

A: Molar concentration or molarity can be expressed as the number of moles of solute per volume of the…

Q: Write the complete, balanced reaction that occurs when manganese (II) nitrate is mixed with sodium…

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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 10.4 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

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Q: Consider the following chemical reaction. 3 Zn(C,H,O,),(aq) + 2 Na PO,(aq) → 6 NaC,H,O,(aq) +…

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Q: Determine the volume of 0.116 M Li3PO4 and 0.0871 M Mg(C2H3O2)2 solutions needed to form 135 g of…

A: Number of mols = volume in L × concentration in M Number of mols = weight / molecular weight

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

A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,…

Q: When concentrated CaCl2 (aq) is added to NazHPO, (aq), a white precipitate forms that is 38.7% Ca by…

A: 1. During a chemical reaction,  if two ions, having different reactivity exchanges there position…

Q: A student wants to prepare a solution of chromium(II) chloride with a known molarity. How many grams…

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Q: The strength of the eggshell of birds is determined by the calcium carbonate content of the…

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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.