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Q: Calcium metal can be obtained by the direct electrolysis of molten CaC2, at a voltage of 3.2 volts.…

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Q: A 0.8798 - g sample of Al2(CO3)3 decomposed with HCI; the liberated CO₂ (MW = 60.0g) was collected…

A: Given :  Weight of sample = 0.8798 gm  Weight of CO2 produced = 0.3369 gm  Molar weight of CO2 = 44…

Q: A student is given a 1.8686 g of an unknown copper compound. Following isolation by displacement by…

A: Given: Mass of Cu = 0.3685 g Mass of compound = 1.8686 g

Q: A model for the compound 2-propanol is shown. ball & stick. + labels Write a balanced chemical…

A: In a balanced chemical equation the number of atoms of each element must be equal, on both sides of…

Q: Most abundant metal on the surface of the earth:(a) Iron(b) Aluminium(c) Calcium(d) Sodium

A: There are many metal on the surface of the earth but the one that is most abundant on the surface of…

Q: The atmosphere of the planet Venus contains & high concentration of sulfuric acid. NASA is designing…

A: Correct option is B

Q: How will aqueous solutions of sucrose and hydrogenchloride differ?

A: An electrolyte is defined as the chemical substance that produces electrically conducting species on…

Q: The thermite reaction, Fe2O3 + Al → Al2O3 + Fe produces so much heat that the Fe product melts. a.…

A: a) Given :-  The given thermite reaction is Fe2O3 + Al → Al2O3 + Fe…

Q: Consider the reaction between sodium metal and fluorine (F2) gas to form sodium fluoride. Using…

A: The question is based on the concept of chemical bonding. we have to explain the bond formation…

Q: What quantity of charge is required to reduce 27.2 g of CrCl 3 to chromium metal? (1 faraday =…

A: Calculate the number of moles in 27.2g CrCl3       reduction of 1mole CrCl3 requires 3 moles of…

Q: Write the cation and anion along with their charges present in the following compounds. Compound…

A: An anion may be defined as an atom that is negatively charged. A cation may be defined as an atom…

Q: Ferrocene, [Fe(C10H10)(s) ;molar mass 186.03 g/mol]can be prepared by reacting 3.0 g of FeCl2(s)…

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Q: Balance this equation. If a coefficient of "1" is required, choose "blank" for that box. C2H4 + O2…

A: In the balanced chemical reaction, the number of each atom should be same in both reactant and…

Q: Sulfuric acid is produced from sulfur dioxide, which is, in turn, produced by burning iron pyrite: w…

A: The question is based on reaction stoichiometry.We need to calculate percentage yield in the given…

Q: Metals react with oxygen to give oxides with the general formula MxOy. Write a balanced chemical…

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Q: Pure iron metal can be obtained by processing a common iron ore that contains only iron and oxygen…

A: The empirical formula indicates the least possible ratio of the amount of constituent elements…

Q: How many ions can you get in solution from 123.1 grams of MoCl3?

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Q: Open the photo

A: The forces of attraction existing among the molecules of a substance that belong to any state of…

Q: What is efflorescence? Give an example?

A: The structure of chemical compound can be represented as structural formula. A structural formula…

Q: Balance each equation.

A: These reactions can be balanced by following hit and trial method.     Since you have posted a…

Q: Which of the following pairs of oxides will react with both dilute acid and alkali to form salts? A…

A: We know that Oxides that have amphoteric nature react with both acids and bases.

Q: A student is given a 1.3002 g of an unknown copper compound. Following isolation by displacement by…

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

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Q: 4. What is the molecular weight of magnesium phosphite nonahydrate?

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Q: CaF2 (s)+ H2SO4 (aq)→ CaSO4(s) + HF(g)   b. MnO2(s) + NaCl(s) + H2SO4(l) → MnSO4(g) + H2O(l) +…

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Q: Strong acid. how it behaves as a strong base. D(i) which of the oxides is amphoteric? ii) Write…

A: Amphoteric oxide is that oxide that react with both acids and base and form salt and water.  3d) i)…

Q: 5. The phosphorus in a sample of phosphate rock weighing 0.5428 g is precipitated as MGNH,PO4 .6H20…

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Q: A 5.276 g sample of Al-Mg alloy is digested in nitric acid (to Al*3 and Mg"). The solution is…

A: Given that -  Mass of sample of alloy, Al-Mg = 5.276 g  Mass of alumina, Al2O3 = 1.444 g  Molar mass…

Q: You are told by your instructor to go to the stock room and find a bottle of the chemical K3Cl. Does…

A: Given formula of chemical is K3Cl  We need find whether a compound with this  formula exist or not

Q: Peferences studied was likely to be only 13% of the theoretical yield. The student's prelab…

A: Answer:- This question is answered by using the simple concept of calculation of actual yiel using…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Given ions = Empirical formula of the compound = ?When cations react with anion, then formation of…

Q: A student is given a 1.3308 g of an unknown copper compound. Following isolation by displacement by…

A: Given,      Mass of the unknown Copper Compound =1.3308 g      Mass of Copper (Cu) Metal recovered…

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

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Q: Write an equation for the reaction for barium metal with water. (Use the lowest possible…

A: Alkaline earth metals reacts with water readily to evolve hydrogen gas.

Q: This

A: According to the question, a 235.2 g sample of ground water is analyzed for calcium. The Ca2+ in the…

Q: 4) + ? ? H20 HO,

A: Alkyl magnesium halide ( R-Mg-X ) is called Grignard reagent. Ketones reacts with Grignard reagent…

Q: Common oxidation states of mercury are +1 and +2. In the +1 oxidation state, mercury forms a…

A: Given Common oxidation state of mercury = +1 and +2 mercury(I)=Hg2+  , 2 mercury(I) = Hg22+…

Q: Riccardo states that the process of iron reacting with sulfur to produce iron(II) sulfide according…

A: given 16Fe + 3S8 = 8Fe2S3 16.00g of iron will react will 3.00 g of sulfur

Q: 8. Write balanced chemical equations for the following reactions. a. The reaction of gaseous…

A: A chemical reaction will be called balanced when all atoms in reactants and products will be equal.…

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.