When 575 mL of a solution that is 1.10 M in NO3– reacts with excess Cr(OH)3 solid, how many moles of electrons are transferred during the reaction?

Q: What is the oxidation number of iron, Fe, in Fe(NH4)2(SO4)2?

A: Oxidation state tells about the number electrons lost or gain by an atom to form a chemical bond…

Q: According to the following reaction, how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M…

A: First determine the number of moles of LiOH. Molarity is given by the following expression:…

Q: Considering the solution of 0.005 M H3PO4, what is the following: 1. All chemical reactions: 2.…

A: Here we are provided with 0.005 M of H3PO4 solution and we are required to write all the chemical…

Q: Is 2Mg(s)+O2(g)=2MgO(s) a redox reaction?

A: In redox reaction oxidation and reduction occurs simultaneously.

Q: When silver metal, Ag, is exposed to hydrogen sulfide gas, H2S, it tarnishes. Is the reaction of Ag…

A: Redox reaction is the reaction in which oxidation and reduction occurs in the same reaction.…

Q: 8. How many grams of NaCl are required to precipitate most of the Ag+ ions from 2.50 × 102 mL of…

A: We have to calculate the mass of NaCl that would precipitate out all Ag+ ions from 2.50 × 102 mL of…

Q: Potassium acid phthalate, KHC6H4O4, or KHP, is used in many laboratories, including general…

A: The number of moles of potassium acid phthalate is calculated as shown below. The number of moles of…

Q: A sample of iron ore weighing 0.2812 g was dissolved in an excess of a dilute acid solution. All the…

A: The volume of the given solution is 21.70 mL which is equal to 0.0217 L. The number of moles of…

Q: Please write the net ionic equation when mixing the following two aqueous salts: S r ( O H ) 2 ( a…

A: By writing Complete balanced molecular equation , Then we can convert it into net ionic equation.

Q: What is the oxidation number of iron, Fe, in Fe(NH4)2SO4?

A:

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: 2. Hydrochloric acid (HCI) can dissolve solid iron according to the following reaction: Fe (s) + 2…

A: According to the question, Hydrochloric acid(HCl) can dissolve in solid iron as per the following…

Q: What is the normality of a K,Cr20, solution prepared by dissolving 5.00 g of K2Cr20, in 200 mL of…

A: Given unbalanced equation is  Cr2O7 -2  +  SO3-2  →  Cr+3  + SO4-2  Balance the reaction 1 Cr2O7…

Q: In the reaction between 10.0 mL of 0.200 M lead(II) nitrated solution and 8.0 mL of 0.225 M…

A:

Q: Please write the molecular equation when mixing the following two aqueous salts: S r ( O H ) 2 ( a…

A: Answer:- This question is answered by using the simple concept of precipitation reaction in a…

Q: suppose that 6.46g of solid Fe203 is added to 35.2mL of 0.798M HCL solution. What is the…

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

Q: How many grams of PBSO4 is expected to form when 25 mL of 0.15M Pb(N03)2 reacts with excess NazSO4?

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: How many grams of phosphoric acid is contained in a water solution of the acid

A: Balanced chemical equation: 3KOH + H3PO4 ------> K3PO4 + 3H2O

Q: A sample of USP-grade citric acid (H3C6H5O7, three titratable protons) is analyzed by titrating with…

A: A question based on quantitative analysis, which is to be accomplished.

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

A: Reaction for the above query will be :  2NaOH(aq) + Ni(NO3)2 (aq) ------> 2NaNO3(aq) + Ni(OH)2(s)…

Q: According to the following reaction, how many grams of Fe(OH)2 can form from 175.0 mL of 0.227 M…

A: The given chemical reaction is,                FeCl2(aq) + 2 NaOH(aq) →  Fe(OH)2(s) + 2 NaCl(aq)…

Q: A solution with a total volume of 1000.0 mL contains 37.1g Mg(N03)2. If you remove 40.0 mL of this…

A: Please see the attached images for answer

Q: All arsenic in the mineral containing 20 g of arsenic is dissolved by converting it into As3+.…

A: Working formula Decinormal = one tenth of normality = 0.1 N Normality = Molarity*no of equivalents…

Q: A certain solution of KMnO4 is being prepared to treat water and has a concentration of 14.50%…

A: Given: The solution of KMnO4 = 14.50 %(m/V).........(1).

Q: 1.When sodium oxalate reacts in solution with lanthanum (III) chloride, lanthanum (III) oxalate is…

A:

Q: In the reaction, Cas) + O2e) → CaO, which is the reducing agent? w

A: Given :-  Ca(s) + O2(g)  → CaO  To identify :-  The reducing agent

Q: When sodium oxalate reacts in solution with lanthanum (III) chloride, lanthanum (III) oxalate is…

A: This is the question of stoichiometric calculation

Q: 4. Here you titrate 100 mL of carbonic acid (H;CO) of unknown concentration with 0.01 M of potassium…

A:

Q: How many grams of nickel (II) hydroxide are produced from the reaction of 35.0 mL of 0.200 M NaOH…

A: Given, Volume of NaOH = 35.0 mL Concentration of NaOH = 0.2 M

Q: 4Bi + 6NO,+ 9H,0→3N20 + 4Bi(OH)3+ 60H¯ In the above reaction, the oxidation state of bismuth changes…

A: The oxidation number or oxidation state refers to the number of electrons gain or loose by an…

Q: Which substance functions as a reducing agent in the following redox reaction? Li+ MgO > Li20 + Mg…

A: Answer: Theory: The substance will act as a reducing agent, which itself oxidises in the reaction.…

Q: A sample of solid Mg(OH)2 was stirred in water at a certain temperature until the solution contained…

A: HClO4 is a strong acid, it reacts with magnesium hydroxide Mg(OH)2 , this is an acid base reaction.…

Q: A. calculate the volume of standardized 0.01 M KMNO4(aq). Needed to completely react with ~0.125 g…

A: Calculate the number of moles of potassium ferrioxalate (n) n = Given massMolar massn = 0.125…

Q: What is the sulfate ion concentration of the resulting solution when 75.0 mL of 1.50 M CuSO4 and…

A: Given that 75.0 m L of 1.50 M CuSO4 react with 50.0 m L of 1.00 M Co2(SO4)3.Number of moles of…

Q: If 0.558 g KHP (molar mass 204.23 g/mol) were used to standardize 21.52 mL of a NaOH solution what…

A:

Q: In a double replacement precipitation reaction, KCl reacts with Pb(NO3)2 in a 2:1 mole ratio,…

A: Potassium chloride reacts with lead (II) nitrate to form potassium nitrate and lead (II) chloride.…

Q: Consider the balanced redox reaction between silver and nitgric acid:  2H+ + Ag + NO3 -1  results in…

A: The balanced redox Chemical Reaction given in the question is - 2H+ + Ag + NO3- ------> Ag+ + NO…

Q: 0.250g of HI is dissolved in 300. mL of a 0.00520 M solution of Ca(OH)2. (Assume this does not…

A:

Q: How many liters of 0.305 M K,PO, solution are necessary to completely react with 187 mL of 0.0184 M…

A: Given reaction: 2K3PO4(aq) + 3NiCl2(aq) -à Ni3(PO4)2(s) + 6KCl(aq) Observing the given chemical…

Q: The active ingredient in aspirin is acetylsalicylic acid. A 2.19 g sample of acetylsalicylic acid…

A: The number of moles of acetylic salicylic acid and sodium hydroxide reacted are equal because…

Q: Hydrochloric acid and magnesium hydroxide react according to the unbalance reaction below.  You must…

A: The balanced chemical reaction is, 2HCl + Mg(OH)2 → MgCl2 + 2H2O Here, both sides contain 4…

Q: the

A:

Q: what is the balanced molecular equation for the reaction of a solution Al(NO3)3 with a solution of…

A: The balanced molecular equation for the reaction of a solution Al(NO3)3 with a solution of K2CO3  is…

Q: If 26.2 mLmL of AgNO3AgNO3 is needed to precipitate all the Cl−Cl− ions in a 0.780-mgmg sample of…

A: Number of moles of KCl can be calculated as shown below:

Q: 11. What volume of a 0.2087 M solution of permanganate ion (under basic conditions) will react with…

A: In electrochemistry, electrode potential is the electromotive force of a galvanic cell built from a…

Q: If 10. g of AgNO3 is available, what volume of 0.35 M AgNO3solution can be prepared?

A: Given, 10. g of AgNO3

Q: How many grams of solid of LiCl (MW 42.471 g/mol) would be left behind if 28.807 mL of 0.550 M KCl…

A:

Q: What is the sulfate ion concentration of the resulting solution when 75.0 mL of 1.50 M CUSO4 and…

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

Q: How many moles of aluminum are required to completely react with 107 mL of 6.00 M H.SO. according to…

A: The balanced reaction taking place is given as, => 2 Al (s) + 3 H2SO4 (aq) → Al2(SO4)3 (aq) + 3…