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Q: Consider the reaction 3CaCl,(aq) + 2N23PO4(aq) --> Caz(PO4)2(s) + 6 NaCI(aq) (molar mass of calcium…

A: This question is based on stoichiometry. In this problem we have to find mass of calcium phosphate…

Q: A volume of 56.0 mL of He at STP: How many moles? b. Weight how much? Contains how many molecules?…

A: Given: Volume of He at STP = 56.0 mL

Q: What is the Molarity(M) that results from dissolving 8.60 g of KNO3into water so that the solution…

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Q: 2.) what is the percent Composition in which oro5 Ka Naz Co3 s disselved in250 mL of Solution and…

A: In this question,  mass of solute and volume of solution is given, we have to calculate following…

Q: 3.116 Carbohydrates are compounds containing carbon,hydrogen, and oxygen in which the hydrogen to…

A: EMPIRICAL FORMULA It represents the lowest whole number ratio of atoms existing in a compound. Steps…

Q: on khowing the molečula weight of the solute is 327.33 g/mol and the density is 1.28 g/mL.

A: Given, volume of Solution = 250 mL  Molarity = 0.1 M  Molar mass of solute = 327.33 g/mol Mass of…

Q: A student in lab needs to make a solution that is 5.005.00% by mass NaCl. If 125 g125 g of NaCl is…

A: NaCl is ionic compund having Na+ and Cl- ions, they are also known as salts.

Q: Alt Hll. calculate the mass peizcentage Naz sOg in a 7g of SOg in lof salution Containing 413 of…

A: Given that: Mass of Na2 SO3 = 11.7 g Mass of water = 443 g  Total mass of solution = mass of water +…

Q: What mass of AgI can be produced from a 0.532 g sample that assays 20.1% of AlI3?

A: The mass of the sample is = 0.532 g The mass percent of AgI in the sample is = 20.1 % The mass of…

Q: O False O True No. of mole of such substance is equal to the Molarity concen. X vo ml. O False O…

A: Molarity is defined as total number of solute present in 1000 ml of solution . Normality=…

Q: How many molecules are in 22.4moles of CCI,?

A:

Q: The molar mass of the solute is the number of grams per moleof the substance. True or false?

A: True. The molar mass of the solute is the number of grams per moleof the substance. eg. Mass of 1…

Q: A water solution of sulfuric acid (H2SO4) has a density of 1.864 g/mL and is 73.0% H2SO4 by mass.…

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Q: If areaction requires 0.258 moles of NaNO3, how many milliliters of 0.594 M NaNO3 are needed? mL…

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Q: the molarity o) and final vo

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Q: The salinityof a solution is defined as the grams of totalsalts per kilogram of solution. An…

A: As per the question, Mass of = 35 g Let mass of NaCl = x g Then, mass of =(35-x) g  Let the number…

Q: Reports e-Services Y Academic Departments ETC - CIMS - Al Jula ion 27 Answer the following questions…

A: Molarity is defined as number of moles of solute present in the given solution in mL.

Q: What is the empirical formula of a compounc

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Q: vities [References) TUTOR Molarity: Mass Solute Calculate the mass, in grams, of KNO, required to…

A:

Q: What is the molarity of a solution prepared by dissolving 37 mol KMNO4 in enough water to make 903 L…

A: Dear student I have given answer to your question in the image format.

Q: A solution is to be prepared that will be 4.31% by mass calcium chloride. To prepare 186 g of the…

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Q: In one reaction, 0.308 moles of SiCl4 is produced. How many miles of molecular chlorine were used in…

A:

Q: 10) How can you prepare 500 ml of 0.1M HCI, if the percentage is 35%, and density = 1.18g/ml,…

A: W = M x Mm x V/1000 Where, W = Mass in g; Mm = Molar mass; V = Volume in mL

Q: me substance (in mol)

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Q: Determine the molarity f enchof tke folla a 1.5 mol. kcl in 1.SL Salu4m b. o.5 g. • f H2 Sou inIL f…

A: Formula used:- Molarity = number of moles of solute/volume of soln(L)

Q: . A chemistry student took 10.0 g of an unknown hydrate and heated it in order to drive off the…

A: Given: Mass of hydrated sample = 10 g Mass of anhydrous salt = 5.83 g

Q: How many grams of caffeine (CgHyON&O2) are present in 0.04821 mol of caffeine?

A: A mole is a ratio of a given weight to the molecular mass of a substance. Grams are used to measure…

Q: How many moles of Ba(OH)2 are present in 275 mL of 0.600 mol L-1 Ba(OH)2? Express your answer…

A: Volume of Ba(OH) 2= 275 ml = 0.275 L Molarity of Ba(OH) 2 = 0.600 mol L —1

Q: Decomposition results in the increase in molarity of the products. O True O False

A: A particular compound decomposes and forms more no of atom . And the concentration of original…

Q: How many grams of magnesium are produced if 42.0g of potassium are used? Which type problem is this?…

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Q: How many moles of H2SO4 are there in 184 mL of a stock solution that reads 0.264M ?

A: Volume of solution = 184 ml ...or because 1L = 1000 ml    so,  = 184 ml × (1L / 1000 ml )  = 0.184 L…

Q: Wine is approximately 12% ethanol (CH3CH2OH) by volume. Ethanol has a molar mass of 46.06 g/mol and…

A:

Q: What percent of NaCl is in the impure sample?

A: Given: Mass of AgCl = 2.044 g Mass of impure table salt (NaCl) = 0.8421 g Molar mass of AgCl =…

Q: Describe how would you determine the percent oxygen in Au(PO,);?

A: Calculating percentage composition of oxygen

Q: 9) Number of moles is obtained by O a. dividing mass in grams by Kg of solvent O b. dividing mass in…

A: Number of moles  The mole is a measurement  for the amount of substance present in the given sample.…

Q: Q3. 30 ml of 0.4 N CaCl2 is mixed with 20 ml of 0.2 N Al2(SO4)3. How many gram of CaSO, are formed.

A: Normality (N)

Q: if 1.095 g of unknown is found to be 0.00723 moles of solute, what is the molar mass of the unknown.…

A: Given: Mass of the unknown sample (Solute)=1.095 g Moles of the sample (solute)=0.00723 mol The…

Q: o the cancenteation of .56 ) in 50.0 millklites of water? grams of Mcgresium Chloride

A: Concentration of MgCl2 = 0.12mol/L

Q: What mass of of sugar is needed to combine with 250 g of water to prepare a sugar-water mixture that…

A:

Q: For ench renction! AJ urite word equntion b) vrite the balanced molecUlas equton C) write he total…

A: 1) The reactants given are AgNO3 (aq) i.e. silver nitrate and Na2CO3 (aq) i.e. sodium carbonate.

Q: 2.43 grams ol brominie (Bi)i dssolved in a 2.91 kg aqueOus soludon Howinny pei of Bin nis solution?…

A:

Q: How many g of Na2SO3 are in 350 mL of 1.10 M solution? ___ g (provide answer with the correct sig…

A: 1 M Na2SO3 solution means 1 mole Na2SO3 is present in 1 L means 1000 mL solution.  Molecular weight…

Q: What mass of H2O (mm = 18.02 g/mol) is formed from mixing 24.5 mL of 1.32 molar LiOH with 10.2 mL of…

A: Given: Concentration of LiOH = 1.32 M Volume of LiOH solution = 24.5 mL = 0.0245 L…

Q: Caleulate the molar mass of a compound if0 J66 mole of it has a ma of 4150 mol

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Q: How many grams of Silver nitrate is required to precipitate the Chloride ions in 0.1000 grams of…

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Q: How many moles of H2SO4 are there in 117.4 mL of a stock solution that reads 0.763M ?

A:

Q: Calculate the molarity of an aqueous sqlution that is 27.4% by mass calcium chloride. You might need…

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Q: A 0.235 g sample of Manganese  (Mn) was heated in a crucible  and produced   0.372 g of  a compound…

A: Given: Mass of Manganese= 0.235 g Mass of compound, MnxOy= 0.372 g To estimate: Empirical formula of…