An alloy is made up of two metals: tin and lead. If the wt% of tin is 6.48 % calculate the mol% of lead.

Q: copper sulphate (CuSo4) with a concentration of 0.00095 mol l-1. If they wanted to prepare one litre…

A: Here, Molecular weight of CuSO4= RAM(Cu)+ RAM(S)+ 4×RAM(O).…

Q: What theoretical quantity in grams of Ag2S can be obtained from the reaction of 10.5 g of ash with…

A: Information of question

Q: A 2.68 gram sample of a KCl and KCIO3 mixture was found to contain 0.01541 mol of KCIO3. What is the…

A:

Q: 23.  Determine the number of atoms and the mass of zirconium, silicon, and oxygen found in 0.3384…

A: Avogadro’s number is the number of atoms or molecules present in one mole of substance. The value of…

Q: How many moles of PCl5 can be produced from 20.0 g of P4 (and excess Cl2)?   Express your answer to…

A:

Q: if 1.8 mol Ti are mixed with 3.2 mol cl2, what is the limiting reactant and what is the theoretical…

A:

Q: How many grams of magnesium oxide can be produced by reacting 0.248 g magnesium that is 97.5% pure…

A: Given mass of Magnesium = 0.248g% purity of Magnesium = 97.5%No.of molecules of oxygen = 5.36 x…

Q: Consider the Harber-Basch process for the synthesis of ammonia from its elements. Calculate the…

A: Interpretation-  To determine the theoretical yield in moles NH3 from the complete reaction of 59.8…

Q: 5) 0.7971 g of molecule, X, is found to contain 3.0 x 1022 atoms. Deduce the identity of X. Given N…

A: Given: Mass of X2 = 0.7971 g Atoms of X2 = 3.0×1022 NA = 6.023×1023 mol-1

Q: A crucible is placed on a balance and is found to have a mass of 26.639 grams a sample of…

A: Mass of crucible = 26.639 g Mass of crucible + mass of Na2SO4·xH2O = 27.085 g Therefore mass of…

Q: How many Cu grams are produced if 123 mole of CuCl2 is reacted with excess K?

A: Given: Moles of CuCl2 reacting = 123 mol.

Q: 1-Calculate the mass of compound required to prepare 100.00 mL of a 1.40x102 M CuCl2 ?.

A: Molarity is number of moles of solute present per liter of solution, notated as M and the unit is…

Q: Consider the following balanced equation. 3 Ag(s) + 4 HNO3(aq) → 3 AgNO3(aq) + NO(g) + 2 H2O(l)…

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: If 65.0 g of nitrogen dioxide is reacted with excess water, calculate the theoretical yield.

A: Introduction: A reactant in a chemical reaction that limits the amounts of products formed by the…

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

A:

Q: Pb(C2H3O2)2(aq) + H2O(l)+CO2(g)---PbCO3(s)+HC2H3O2(aq)  suppose a aqueous solution containing 1.40…

A: Mass of lead (II) acetate = 1.40 g  Mass of carbon dioxide = 5.80 g  Molar mass of lead (II) acetate…

Q: A local water retention pond was found to have elevated mass concentration of mercury of 14 ng per…

A: Given data: Concentration of mercury = 14 ng/L Volume of water in swimming pool = 1250 m3   Known…

Q: Calculate the number of water, X,  of crystalization in an unknown sample, having a molar mass of…

A: Some ionic compound (salt) contains a water molecule in their crystal lattice structure. The water…

Q: What amount in moles is 4.77x10^25 (to the power of 25) molecules?? 1.2.87x10^49 mol 2.79.2 mol…

A: Molecules = 4.77 x 1025

Q: A crucible is placed on a balance and is found to have a mass of 26.639 grams a sample of…

A: Since on heating the compound, the mass of water will be lost as it will get vaporised  Hence the…

Q: balance the following equation C6H6(I)+ O2 (g)---> H2O (g)+ CO2 (g)

A: Given reaction is combustion of hydrocarbons.  Hydrocarbons on combustion gives CO2 and H2O as final…

Q: Balance the following chemical equation (if necessary): C3H69G)+O2(g)=CO2(g)+H2O(g

A: First balance C atom by multiplying in CO2 and then balance H in multiplying in H2O. and finally…

Q: 8.15g of phosphorus reacts with bromine to form 71.22g of phosphorus tribromide. Calculate the…

A:

Q: before 1959, oxygen was popularly used to define the unit of mol. in 1967, the international…

A:

Q: Assuming one mole of compound, calculate the theoretical percentage composition of SO3. [MM (S) =…

A: Percentage composition  of element is defined as how much percentage of that element is present in…

Q: How many moles of PCl5 can be produced from 55.0 g of Cl2 (and excess P4)? Express your answer to…

A:

Q: Determine the mass of a solution of a 7.897 wt % LiI if you needed to provide 0.3894 moles of LiI…

A: wt% = 100 x Mass of solute/Mass of solution Mass = Number of moles x molar mass

Q: A 14.590 g14.590 g sample of CaCl2CaCl2 was added to 12.028 g12.028 g of K2CO3K2CO3 and mixed in…

A: Determine limiting reagent:From the balanced chemical equation, 1 mol of CaCl2 and 1 mol of K2CO3…

Q: 1-Calculate the mass of compound required to prepare 100.00 mL of a 1.40x102 M CuCl2 ?.

A: Molecular weight of CuCl2 = 134.45 g mol-1 Formula Used 1. No of moles = volume × concentration 2.…

Q: An excess of Na₂CO3 in Solution is added to a Solution Containing 17,13 g CaCl₂. performing the…

A:

Q: For the reaction N, + 3H, 2NH, what is the Mole ratio of nitrogen to hydrogen? t. Mole ratio of…

A: In a balanced chemical equation , the stoichiometric coefficients of reactants and products…

Q: Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum…

A: The reaction between MnO2 and Al –metal is shown as: Here, MnO2 and Al react in 3:4 ratio. Given…

Q: FORMULAS FROM PERCENT COMPOSITION: 8. %Zn = 11.44%; %U = 41.64; %C = 16.81%; %H = 2.12%; %O = 27.9

A:

Q: A 0.200-g sample of protactinium(IV) oxide is converted to another oxide of protactinium by heating…

A: The mass of the protactinium(IV) oxide is = 0.200 gThe mass of PaxOy is = 0.2081 gThe mass of oxygen…

Q: 6. Calculate the stoichiometric formula of a compound, which is defined by the mass composition: C:…

A: The question is based on elemental chemistry. We need to calculate empirical formula of the given…