15) What is the weight of lead nitrate 2 (Pb (NO3) (molecular weight = 331 g amol) that must be dissolved in a liter of solution to prepare 100 parts per million of lead (atomic weight 207)? pċ 0.156 ai 0.312 ai 1.56

Q: 8.) Considering the equation 2 NaI (ao) + Cl₂(g) → 1₂ (s) + 2 NOCI (aa) How many grams of Sodium be…

A: 2 NaI (aq) + Cl2(g) ==> I2(s) + 2NaCl (aq)  Given Mass of Iodine = 49.5 g  Molar mass of Iodine =…

Q: What is the theoretical yield of MgO from the combustion of 5.25 x 10^23 atoms of Mg and 4.69 x…

A:

Q: Calcium Chloride CaCl2 has a molar mass of 110 grams per mole. 11.0 grams of CaCl2 dissolved in 500…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How many moles of lithium hydroxide would be required to produce 86.5 g of Li,CO3 in the following…

A:

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

A:

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

A:

Q: halogens TAL LE IA 12A Be Na Mg Kla Rb Sr |S Ba Fr Ra -| :0 KCI Br At

A: Chemical reactions occur when there is any chemical change. They are written in the form of chemical…

Q: Calculate the number of Cu²* ions in 77.0 L of 1.73 M copper(II) chloride.

A:

Q: A 3.72 g sample of iron ore is transformed to a solution of iron(II) sulfate, FeSO4. This solution…

A: Given : Molarity of K2Cr2O7 = 0.110 M Volume of K2Cr2O7 = 60.9 ml. Reaction given :

Q: One of the challenges astronauts face is in space travel is the build-up of carbon dioxide in their…

A:

Q: How many grams of nickel(II) nitrate are needed to produce 35.7 g nickel(II) phosphate in the…

A: Given data, mass of nickel(II) phosphate = 35.7 g, molar mass of nickel(II) phosphate=366.02 g mol-1…

Q: A 0.51960.5196 g solid sample containing a mixture of LaCl3LaCl3 (molar mass = 245.26 g/mol) and…

A: The reactions of LaCl3 & Ce(NO3)3 with KIO3 are represented as follows: LaCl3 +3 KIO3  →…

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

A:

Q: The US Environmental Protection Agency (EPA) places limits on the quantities of toxic substances…

A: Formulae used: Molarity =Mole soluteSolution in Litre

Q: When 17.1ml of unknown molarity of potassium chloride solution is reacted in excess lead (11)…

A: The balanced reaction taking place is given as, Given : Volume of KCl solution used = 17.1 mL =…

Q: What is the molarity of a solution that has 5.024 X 1023 atoms of Glucose (C6H12O6)?

A: Assuming there is one litre of solutionGiven5.024x 1023 atoms of glucose are present

Q: Consider the following balanced equation: 2 H3PO4 (aq) + 3 CaCO3 (aq) → 3 Ca(PO4)2 (aq) + 3 H2O (l)…

A: We have the equation  2 H3PO4 (aq) + 3 CaCO3 (aq) → 3 Ca(PO4)2 (aq) + 3 H2O (l) + 3 CO2 (g) and,…

Q: Based on the balanced reaction: 2 Al + 3 Cl2→ 2 AlCl3, what is the maximum number of moles of AlCl3…

A: The number of moles of Al and Cl2 is 2.11×101 mol and 1.990×101 mol, respectively.

Q: If 50.0 g of water is combined with 155.3 g of PCl3, PCl3(l) + 3H2O (l) --> H3PO4 (aq) + 3HCl (aq)…

A:

Q: How many moles of Ba(OH)2 are present in 215 mL of 0.800 mol L Ba(OH)2? Express your answer…

A: Given: Volume of Ba(OH)2 = 215 mL = 0.215 L Concentration of Ba(OH)2 = 0.800 mol/L

Q: Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)). If you start the…

A: The limiting reagent in a chemical reaction is a reactant that is present in smaller quantity and…

Q: Identify the spectator ions. Sr(OH)2+K2S=2KOH+SrS

A: The reaction given is, => Sr(OH)2 + K2S --------> 2 KOH + SrS

Q: 3. For each acid, name the anion bonded to hydrogen, then name the acid. Anion Name Acid Name (а)…

A:

Q: 2. If 2.500 g of Na2CO3 is used in the reaction, calculate the theoretical yield of NaCl.

A: Na2CO3 + HCl -----------> NaCl + H2CO3 1 mole of Na2CO3 to 1 mole of NaCl Given :  Weight of…

Q: When 25 g of lead (II) nitrate, Pb(NO3)2, is mixed with 15 g of sodium iodide in water, a reaction…

A:

Q: 2. Balance the equation below for the reaction of benzil with sodium borohydride. ○ O C-C + BH4 +…

A: Step 1:  Step 2:

Q: 3cucl,(aq) + 2Fe(s) 2Fecl,(aq) + 3cu(s) If you had a solution of copper(II) chloride that contained…

A: Number of moles of any substance can be calculated by dividing the mass of the substance by its…

Q: 2HCN9) + 6H,0 (9) 302(9) 4. How many Liters of HCN gas can form from the reaction of 1.56 x 106…

A: The limiting reagent of a reaction is the compound that is consumed completely in the reaction. It…

Q: Does the mass of the dried product(s) agree with the table included and the chemical equation:…

A: The given reaction is Mass of Calcium carbonate = 0.300 gMass of acetic acid = 0.057 gNet mass of…

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