Bromine (Br) and Silver has atomic masses of 79.90 g and 107.9 g. respectively. In a certain experiment, a sample of 0.3320 g of an ionic compound containing the bromide ion (Br-) is dissolved in water and treated with an excess of AgNO3.  The mass of AgBr precipitate that forms is 0.734 g.   Br = 79.90 amu;  Ag = 107.9 amu   1.  Determine the percent Br in Ag Br.  Answer in 2 decinal places.     2.  Determine the mass of Br in 0.734 g AgBr.  Answer in 4 decimal places.     3.  Calculate the percent by mass of Br in the original compound. Answer in 2 decimal places.

Q: A student, Ken, is given a mixture containing two nitrate compounds. The mixture includes NaNO3 and…

A: Mixture consists of two nitrate compounds NaNO3 and Ca(NO3)2. Mass Percentage of NO3 in the mixture…

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

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: The nitrogen content of an impure laboratory reagent labelled (NH4)2Ce(NO3)6 was analyzed by…

A: 'Since you have posted multiple questions. We will solve only first one as per our guideline. If you…

Q: Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,…

A: The molar mass of Fe is 55.85 g/mol. The molar mass of Al is 26.98 g/mol. The molar mass of Fe2O3 is…

Q: Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,…

A:

Q: A student prepares aspirin using 15.096 grams of salicylic acid (MW = 138 g/mol) and 5.91 mL of…

A:

Q: Barium metal was quantitatively precipitated from a 1.52 g sample of BaCl2-2H2O. The mass of the…

A: Given: Mass of the sample BaCl2.2H2O =1.52g Mass of Barium collected = 0.844g

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

A: Given Ag+ and Co2+   Y or N Reagent Formula of precipitate if yes  1   K2S   2   KBr   3…

Q: A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric…

A: Reaction: Sn + 2HNO3 → H2SnO3 + 2NO3 mass of tin = 0.4909 g molar mass of tin oxide  = 150.69 g/mol…

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

A:

Q: When MgCl2 (aq) reacts with Na CO3 (aq), what will be the chemical formula of the precipitate? Type…

A: The precipitate is a water-insoluble product.

Q: Give the balanced chemical equation for the following reactions. 1. The reaction between solid iron…

A: A balanced chemical reaction is a chemical reaction where number of atoms present in the side of…

Q: lodine is prepared both in the laboratory and commercially by adding Cl, (g) to an aqueous solution…

A: The balanced reaction taking place is given as, => 2 NaI (aq) + Cl2 (g) -------> I2 (s) + 2…

Q: 9. If 92.8 g of sodium nitrite (NaNO2) are dissolved in 2.3 L of water, the resulting solution has a…

A: Given, Mass of NaNO2 = 92.8 g  Volume of Solution = 2.3 L  Molarity = ?

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: For the synthesis of boric acid; 7.94 g of anhydrous borax was taken and 15 mL of water was added…

A: Please find the attached images for answer

Q: To determine the amount of iron in a dietary supplement, a random sample of 15 tablets weighing a…

A: Given data: Total mass of the sample = 20.505 g  Mass of sample dissolved in Fe(OH)3 = 3.116 g Mass…

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

A:

Q: A mixture of CaCO₃ and CaO weighing 0.693 g was heated to produce gaseous CO₂. After heating, the…

A: Molecular mass The molecular mass is the mass of a given molecule. It is measured in Daltons. The…

Q: Write the balanced chemical equation for the reaction of aqueous sodium carbonate with aqueous…

A: A balanced chemical equation is the one that consists of equal number of every atom of an element at…

Q: A mixture contains only NaCl and Fe(NO3)3 . A 0.456-g sample of the mixture is dissolved in water,…

A:

Q: For the next 3 items: A 0.498 g sample contains 26.0% aluminum triiodide, Alls, (MW = 407.695) by…

A: when two soluble salt react it would result in the formation of insoluble salt which does not…

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: One way to analyze for the amount of phosphorus in a rock is to precipitate the phosphorus as…

A: Given the mass of the rock sample = 2.832 g Percent of Ca3(PO4)2 = 86.52% => mass of Ca3(PO4)2 in…

Q: The Hall process for the production of aluminum involves the reaction of aluminum oxide with…

A: Given, The reaction is →      Al2O3+3C→2Al+3CO      mAl2O3=1.65×106 g      mC=1.50×106 g

Q: Precipitating gravimetry is a technique to determine the amount of an analyte based on mass of the…

A: Precipitating gravimetry is a technique to determine the amount of an analyte based on mass of the…

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: A supplement was tested for iron content in a laboratory. First, a random sample of 10 tablets…

A: #(a): Given the mass of the iron tablet taken to obtain Fe2O3(s) = 2.7544 g  Mass of pure and dry…

Q: c

A: 0.3146 g sample of a mixture of NaCl and KBr 0.6824 g of precipitate mixture of AgCl and AgBr

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

A: We will generalize if we can separate or not according to the  physical state of displacement…

Q: In a chemical reaction, using 1 mol AgBr can get 1 mol NHĄB . If there is 4.15 g AgBr , we can get…

A: Given : In a reaction, 1 mole of AgBr is capable of producing 1 mole of NH4Br. And mass of AgBr…

Q: Colorful fireworks often involve the decomposition of barium nitrate and potassium chlorate and the…

A: The chemical formula is used to represent chemical substances. It is written by using the chemical…

Q: A student, Ken, is given a mixture containing two nitrate compounds. The mixture includes NaNO3 and…

A: Mass Percentage of NO3 in the mixture is 73.76%. it implies that 100 g of mixture contains 73.76 g…

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: 1. Iodine is known to exist in the solid state as a diatomic molecule, I,. Using the simplest…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question…

Q: 100.46 g/mol 3. ) 182.9 g/mol Cl,O79) 18.02 g/mol + H¿O 4(aq) a. An initial mass of 5.00 grams of…

A:

Q: like many metals , aluminum reacts with a halogen to give a metal halide 2 Al(s) + 3 Br2(l) =…

A: 2Als      +       3Br2 l →…

Q: In the preparation of Boric acid (MW = 61.81 g/mol), 140 grams of borax (MW = 381.2 g/mol) dissolved…

A: Stoichiometry refers to relationships between the moles of reactants used and products formed in a…

Q: A hydrate of iron (II) sulphate, FESO, xH,0 is 20.0% iron by mass. A) What is the chemical formula…

A: The compound given is FeSO4·xH2O. And mass percent of iron i.e. Fe in compound = 20.0 %. Assuming…

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: 2. Briefly explain the following terms. (a) Precipitation reaction (b) Combustion reaction (c)…

A: The chemical reaction in which two soluble salts combine with each-other and result into the…

Q: A supplement was tested for iron content in a laboratory. First, a random sample of 10 tablets…

A: A question based on mole concept that is to be accomplished.

Q: Question in image

A: (a) The volume of the average titer is 15.65 mL or 0.01565 L. The number of moles of triiodide ion…

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: 6.778 X 102 vanadium (V) ions react with 15.001 grams of magnesium metal producing vanadium metal…

A:

Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: CaCO3(s) --> CaO(s)+ CO2(g) Mass of lime stone containing sample = 3.043g CO2 produced = 1.25g

Q: Phosphoric acid, a mild acid used among other things as a rust inhibitor, food additive, and etching…

A:

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

A: The given ions for the separation are: Ag+ and Zn2+. Ions can be separated in the form of…

Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: The decomposition reaction of CaCO3 can be written as, => CaCO3 (s) ---------> CaO (s) + CO2…