What volume of 1.73 M K2Cr2O7 is required to titrate 1.85 g of CH3OH dissolved in 30.0 mL of solution?

Q: oxidation state of carbon in C5O2?

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Q: 8. What volume of a 0.500 M solution of Nal could be prepared with 113 g of solid NaI? 9. Calculate…

A: In this question, we want to determine the Concentration of diluted Solution in each cases. you can…

Q: An engineering student accidently ingests 10 g of paint that contains 5% of lead. How many grams of…

A: The amount of lead in 10.0 g of paint is calculated as shown below. The amount of lead in 10.0 g of…

Q: An aspirin sample, 0.62 grams, was titrated with 28 mL of 0.105 M NaOH solution. What is the percent…

A: The Question is Based on experimental Chemistry . We have to calculate percentage purity of the…

Q: What is the normality of an oxidizing agent of a solution of potassium dichromate (K2Cr2O7)…

A: GivenMass of K2Cr2O7 = 8.906 gMolar Mass of  K2Cr2O7 = 294.185 g/moleMoles of  K2Cr2O7 = Mass of…

Q: A sample of solid sodium hydroxide weighing 13.20 grams is dissolved in deionized water to make a…

A: Given :- mass of NaOH = 13.20 g  Molarity of H2SO4 solution = 0.235 M or 0.235 mol/L  To calculate…

Q: If the copper standard solution has a concentration of 25 μg/mL, what is the concentration of a…

A: Given Concentration of copper standard solution = 25 μg/ml

Q: Which of the following statements is FALSE ? Oxidation number of C in CO32- (aq) is +4 Oxidation…

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Q: How many grams of solid cobalt (III) carbonate can be produced by the reaction of 250.0 ml of 0.325…

A: Reaction of sodium carbonate with cobalt chloride is: 3Na2CO3(aq) + 2CoCl3(aq) ......>…

Q: 3. Which atoms in the following reaction undergo changes in oxidation state? Which one is oxidized…

A: Oxidation occurs when a reactant loses electrons during the reaction. Reduction occurs when a…

Q: 16.7 mL of 0.15 N KMnO4 solution was added to completely oxidize the sodium oxalate in a 0.50 g…

A: Given that -  Volume of KMnO4 solution = 16.7 mL  Normality of KMnO4 Solution = 0.15 N  Mass of…

Q: H₂SO4 forms a strong electrolyte in an aqueous solution. True O False

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Q: Mass of H2C2O4•2H2O = 1.3245 grams  Molar Mass of H2C2O4•2H2O = 126.07 Volume of H2C2O4•2H2O…

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Q: You are given 10.5 g of CaCl2, and you dissolve it into 2.47 L of H2O. What is the solution…

A: Given information: Mass of CaCl2 = 10.5 g Volume of solution = 2.47 L Volume of sucrose = 13.7 mL…

Q: The iron content of a mineral deposit was determined by titration with KMNO4 to see if it had enough…

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Q: -. For the reaction Fe* (aq) + Co²+ (aq) → Fe²*(aq) + Co³* (aq), which is the reducing and oxidizing…

A: In a chemical reaction- The oxidising agent is that chemical species which is present in higher…

Q: 47.8 mg of silver nitrate (AGNO3, 169.9 g/mol) was dissolved in water to make 10.00 mL of solution.…

A: Given information is as follows: The mass of silver nitrate = 47.8 mg = 47.8×10-3 g The volume of…

Q: 34. What volume of 0.782 M HCI is needed to neutralize 29.1 grams of Al(OH)3? 3 HCI (aq) + Al(OH)3…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: Balance by change in oxidation number H3PO4 + C —-> CO2 + P2O3 + H2O

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Q: solid

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Q: Which of the following aqueous solutions would be the best conductor of electricity? 0.50 M NH3 0.25…

A: The conduction of electricity takes place in aqueous solution due to presence of ions. More is the…

Q: A solution with a total volume of 750. mL contains 37.1 g Mg(NO3)2. Determine the concentration of…

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Q: 1. Which of the following ionic compounds is insoluble in water? A. NH4CH3COO b. KSCN C. Cu3(PO4)2…

A: The solubility of ionic compounds in water is predicted on the basis of the general solubility rules…

Q: 4. Which is more efficient method of separating solids from liquids by filtration or by decantation?…

A: 4. Filtration is more efficient to separate solid from liquid. If decantation is done , there is a…

Q: A 0.2377 g sample of sodium chloride, NaCl (58.44 g/mol) was dissolved in water and diluted to mark…

A: Given: Mass of sample = 0.2377g

Q: A student found that it required 42.9 mL of a 0.960 M KOH solution to neutralize 20.0 mL of a…

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Q: a. What is the molarity of a solution of KMnO4 if 40.00 ml will oxidize 0.3 g Na2C2O4 (134 g/mol)?…

A: GIVEN :- A) Molar mass of Na2C2O4 = 134 g/mol Given mass of Na2C2O4 = 0.3 g  Volume of KMnO4…

Q: arth's oceans contain about 1.31 × 10º km³ of ater. One tablespoon is equal to 15 cm³. If you ould…

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Q: What volume (mL) of 0.0755 M phosphoric acid can be neutralized with 171 mL of 0.304 M sodium…

A: Given- Strength of phosphoric acid= .0755M(M1) Strength of sodium hydroxide= .304M(M2) Volume of…

Q: A stock solution containing Mn2+ ions was prepaned by dissolving 1.584 g pure manganese metal in…

A: The concentration of stock is calculated as,

Q: What volume of a 0.450 M AlCl3 solution is needed to prepare 250. mL of a 0.250 M Cl- solution?

A: We know that, the dissociation of AlCl3 as follows --- AlCl3(aq)   →   Al3+(aq)   +   3 Cl-(aq)…

Q: 3. Which atoms in the following reaction undergo changes in oxidation state? Which one is oxidized…

A: Since you have asked multiple question as per our company guidelines we are supposed to answer the…

Q: A)Does KCl form an electrolyte solution or a nonelectrolyte solution? B)Does AgNO3 form an…

A: Answer:- These questions are answered by using the simple concept of electrolyte and non electrolyte…

Q: andard sodium oxalate (134.00 g/mol) dissolved in 50 mL water with 5 mL concentrated sulfuric acid…

A: The questions are based on the concept of redox reactions.   Redox Reaction  are those reactions in…

Q: The Fe2+Fe2+ (55.845 g/mol) content of a 2.063 g steel sample dissolved in 50.00 mL of an acidic…

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Q: How many coulomb will it take to plate out 11.2g of fe from a solution FeCl2?

A: 96500 C of charge deposits one mole of the substance.

Q: sets the oxidation numbers P+5HNO3~H3PO4+5NO2+H2O

A: Oxidation state or number is number of electrons gain or lose by compound/ element. . Total charge…

Q: A mixture of Na2CO3 and BaCO3 weighing 0.2000g requires 30.0 ml of 0.1000 N of HCl for complete…

A: Given data mass of sample mixture ( Na2CO3 and BaCO3 ) = 0.2000 g HCl volume requirred = 30.0 mL HCl…

Q: How many grams of potassium binoxalate, KHC₂O₄·H₂O (146.14 g/mol), constitute its gram equivalent…

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Q: If 100 ml of a solution contain a mixture of 0.158 g KMnO4 and 0.490 g of K2Cr2O7,  a. What is the…

A: Given that 100 ml of a solution contain a mixture of 0.158 g KMnO4 and 0.490 g of K2Cr2O7. Molecular…

Q: Titration of 0.1756 grams primary standard sodium oxalate (134.00 g/mol) dissolved in 50 mL water…

A: The question is based on the concept of redox titrations. We are titrating a standard Sodium oxalate…

Q: Consider the following equation in aqueous solution: PO₃³⁻(aq) + SO₂(g) → PO₄³⁻(aq) + S²⁻(aq)   What…

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Q: A sample of iron ore is dissolved in acid, and the iron is converted to Fe2+. The sample is then…

A: Given   Volume of MnO4- =47 .20 ml  Molarity =0.02240 M

Q: How many grams of solid Ca3(PO4)2 can be formed from a reaction of 52.6 mL of 0.750 M CaCl2 and 22.5…

A: The balanced chemical equation can be written as, 3CaCl2+2Na3PO4→Ca3(PO4)2 + 6NaCl

Q: 7.63 mL of a 0.15 M stock solution into a 25.00 mL volumetric flask and dilute to the mark with…

A: Given information: 7.63 mL of a 0.15 M stock solution Volume of new solution is 25.00 mL

Q: What is the molarity of a solution of H2SO4  if 25 mL of this solution requires 32.15 mL of a 0.600…

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Q: The alcohol content in a 10.0 g sample of blood from a driver required 4.23 mL of 0.07654 M K2Cr2O7…

A: The volume of K2Cr2O7 = 4.23 mL                                       = 4.23×10-3 L Molarity of…

Q: How many grams of pure [% Na_2CO_3 %] must be weighed and dissolved in a solution, if you are to…

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Q: 15.00 mL of a 0.20 M solution of sulfuric acid (H2SO4) is mixed with 20.00 mL of a 0.20 M solution…

A: Sulfuric acid react potassium hydroxide produced potassium sulphate salt and water

Q: If 3.00g ruthenium (III) chloride, RuCl3 is added to 75.0mL of a 3.00M sodium periodate, NaIO4…

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