Calculate the number of moles of hydrogen ions present in 200 cm ^ 3 of an acid solution that contains 24.5gd * m ^ - 3 sulphuric acid. [1.0 mol][Relative atomic mass: H = 1 , O=16,S=32]

Q: In the laboratory you are given the task of separating Ag* and Ba2* ions in aqueous solution. For…

A: Ag+ and Ba2+ ions  can be separated by adding a reagent if only one them form precipitate .…

Q: A metallurgical firm needs to dispose of 27,432 gallons of waste sulfuric acid whose concentration…

A: Given,  Amount of waste of sulfuric acid to be dispose = 27432 gallons Molar concentration of…

Q: The steps to balancing a neutralization reaction when given a verbal description can be summarized…

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Q: If 64.0 mL of 0.150 M HCl(aq) is needed to neutralize all the NH3(g) from a 2.25 g sample of organic…

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Q: 7B-1. Consider this chemical reaction: P4(s) + 5 O2(g) 2 P205(s) How many grams of diphosphorus…

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Q: 1. Ag₂0, NaOH 2. H₂O H

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Q: The density of water of a lake is 1.25 g mL-1 and one kg of this water contains 92 g of Na+ ions.…

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Q: 7. Nitrogen + Oxygen ----> Dinitrogen Pentoxide + 3. Plumbic Chromate + Aluminum Sulfate ---->…

A: Nitrogen + Oxygen = dinitrogen pentaoxide While balancing the chemical equation, charge and mass…

Q: Each 100 ml of an antacid contains 3.7 g of aluminum hydroxide (Al (OH) 3), 11.66 g of magnesium…

A: To determine moles of any substance present  we use following formula    moles = massmolar mass

Q: Precipitates used in the gravimetric determination of uranium include NazU2O7 (MM = 634.0 g/mol),…

A: Calculate : which weighing forms having the greatest mass of precipitate from a given quantity of…

Q: A) What is the molar mass of nickel (II) sulfate (NISO4) in grams per mole?  B) What is the amount…

A: Molar mass = Sum of the atomic mass of elements present in the compound  1 Mole = 6.023*1023 number…

Q: Balance the following equation:   _____ Nm2Bf3 (aq) + _____ Cv (s) à ______ Cv2Bf (aq) + _____ Nm…

A: Since,  We know that,  Balanced equation means number of atom in reactant side is equal to number of…

Q: In the laboratory you are given the task of separating Ca2+ and Co2+ ions in aqueous solution. For…

A: To solve this question, we need to use solubility rules for each ion. Solubility of compound is…

Q: What number do you get if youdivide the mass of 1 mol of waterby the mass of 1 molecule of water?

A: 1 mole of atoms refer to the total number of protons multiplied by the atomic mass unit and avogadro…

Q: In the laboratory you are given the task of separating Ba2+ and Zn2+ ions in aqueous solution. For…

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Q: Q2 :- Calculate the percentage of p in the sample of a 0.703 g weight, produced 0.223 g of Mg.P:O7…

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Q: When magnesium hydroxide reacts with nitric acid, it produces magnesium nitrate and water. g(OH)2 +…

A: We need to explain how a balanced chemical reaction prove the conservation of matter in reaction.

Q: Balance the following equation by filling the gaps with appropriate numbers. PCI5 H20 H3PO4 HCI + +

A: In a balanced chemical equation number of atoms of each element on the reactant and products side…

Q: In the laboratory you are given the task of separating Ca* and Ba** ions in aqueous solution. For…

A: N - Na2SO4 Y - NaOH ( Ca(OH)2 - white precipitate and Ba(OH)2 - no precipitate ) N - KBr

Q: 17. Given the reaction Ss(g) + 802 8SO2(g), the number of moles of sulfur required to form one mole…

A: In the given reaction, one mole of S reacts with eight moles of oxygen to form eight moles of sulfur…

Q: chemist adds  0.95L  of a  0.0010/molL  copper(II) fluoride  CuF2  solution to a reaction flask.…

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Q: Consider the following compound: Sr3(PO4)2 *4H2O -Calculate the mass, in grams, of Sr present in…

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Q: Phosphorus can be prepared from calcium phosphate by the following reaction: 2Caz (PO4)2 (s) + 6SIO2…

A: Now, as we are given the mass percentage of the phosphorite mineral that is 75% by and the weight is…

Q: Study the following unweighted hypothetical equation, then answer the following questions: 1- Define…

A: Number of moles of a chemical compound is used to measure the amount of compound in the given…

Q: White vinegar is essentially a mixture of 10% acetic acid (CH3COOH) and water 90% (by mass).…

A: Given,  Mass of the vinegar = 1.00 kg  Mass percentage of acetic acid = 10%  Mass percentage of…

Q: In the laboratory you are given the task of separating Ba and Zn" ions in aqueous solution. For each…

A: yeah its correct  i guess go ahead

Q: If 19.3 grams of an aqueous solution of ammonium nitrate, NH4NO3, contains 1.55 grams of ammonium…

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Q: A sample of gas mixture from a neon sign contains 5.12 x 10- mol Ne and 4.40 x 10- mol Kr. What are…

A: Mass percentage is the ratio of mass of a substance to the mass of mixture, multiplied by 100. Fir…

Q: In the laboratory you are given the task of separating Ba2+ and Zn²+. ions in aqueous solution. For…

A: Ionic compounds termed as salts dissolve greely in water. In certain cases, the solubility of a salt…

Q: Aspirin can be prepared from salicylic acid ( C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

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Q: Ocean water is 3.5 % NaCI by mass. How much NaCl will be obtained from a 266 mL sample of sea water…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: Balance the following chemical equation by providing the correct coefficients. [?]Pb(NO3)2 + Na₂CrO4…

A: In the balanced chemical equation, the number of all the atoms or elements are equal in both…

Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

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Q: A student prepares aspirin using 17.530 grams of salicylic acid (MW = 138 g/mol) and 5.00 mL of…

A: The balanced reaction is as follows:        C7H6O3    +    C4H6O3     →     C9H8O4      +…

Q: Aspirin can be prepared from salicylic acid (C,H,O3 ), which has a molar mass of 138.12 g/mol, and…

A: Given: Mass of salicylic acid=3.01 g Moles of salicylic acid= 3.01138.12 g/mol=0.0218 mol The…

Q: A student prepares aspirin using 2.409 grams of salicylic acid (MW = 138 g/mol) and 5.71 mL of…

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Q: Convert 9.22 g arsenic (111) sulfide to sulfide ions

A: given; 9.22 g arsenic sulfide. molar mass of arsenic sulphide = 246 g/mol formula of arsenic…

Q: a. In the laboratory you are given the task of separating Ca2+ and Pb2+ ions in aqueous solution.…

A: To answer questions regarding separation of ions.

Q: What mass of zinc sulfide 19 5. The addition of concentrated hydrochloric acid to manganese (IV)…

A: Given: Mass of HCl= 4.76×10-2g Mass of MnO2 = excess

Q: The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3,…

A: The hardness of water (hardness count) is usually expressed in parts per million (ppm)  (by mass) of…

Q: A few antacids contain aluminum hydroxide, Al(OH)3 (molar mass= 78.00 g/mol). Aluminum hydroxide…

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Q: 2+ In the laboratory you are given the task of separating Ba* and Fe* ions in aqueous solution. For…

A: To seperate the ion in the given aqueous solution, we have to know the solubility of the formed…

Q: C4 H10 O3 + ?O2 → Assume that this reaction is a complete reaction. What can be the coefficient of…

A: The chemical equations should be balanced in accordance with the law of conservation of mass. This…

Q: Aspirin can be prepared from salicylic acid (C-H,O3 ), which has a molar mass of 138.12 g/mol, and…

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Q: 4) Zinc oxide can be produced by the following reaction: 2 Zn (s) + O2 (g) 2 ZnO (s) - There are…

A: Given-> Surface area = 5500 cm2 For 1 cm2 surface required atom of Zn = 1.9 × 1020

Q: 1.  What is the mass percent composition of oxygen in a compound having the empirical formula…

A: As per our guidelines, we are supposed to answer only one question. Kindly, repost other question as…

Q: 7) Define stoichiometry. A) the concept that 6.02 x 1023 atoms are in 1 mole of an element B) the…

A: A) the concept that 6.02 X 1023 atoms are in 1 mole of an element is known as Avogadro's concept…

Q: Hydrogen peroxide can be prepared by the reaction of an acid with an alkaline earth metal peroxide,…

A: The reaction of an acid such as HCl with an alkaline earth metal peroxide i.e. barium peroxide BaO2…

Q: Calculate the mass for CaCl, if the percentage by mass of the solution is 10.00 %. Given mass of the…

A: Given is, % by mass = 10 Mass of solution= 15 g

Q: A student prepares aspirin using 2.365 grams of salicylic acid (MW = 138 g/mol) and 5.89 mL of…

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