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On combustion 2.4 gram of a compound of carbon, hydrogen and oxygen gave 3.52 gram of CO2 and 1.44g of H2O. The molecular mass of the compound was found to be 60 amu.
a. What are the masses of carbon, hydrogen and oxygen in 2.4 g of compound?
b. What are the molecular and empirical formulae of the compound?
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A tetraaquasalicylatoiron(III) complex calibration solution is prepared by transferring 0.50 mL of a 0.00900 M salicylate dianion stock solution into a 10.00 mL volumetric flask and diluting to the 10 mL mark with 0.02 M iron(III) chloride that ha..
It takes 45.0 to raise the temperature of an 10.4 piece of unknown metal from 13.0 to 24.0. What is the specific heat for the metal
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Calculate the nuclear binding energy for 55/25 Mn in megaelectronvolts per nucleon MeV/nucleon.
When filled withan unknown gas at STP, the container mass is 37.062g. Calculate themolecular weight of the unknown gas, and then state its probableidentity.
Draw a resonance structure, complete with all formal charges and lone (unshared) electron pairs, that shows the resonance interaction of the acetyl with the ortho position in acetophenone
What is the hybridization of each carbon for the following structure? Please explain each one and provide the line structure. Supposedly there should be two hybridized sp2 and two hybridized Sp3
baseball reporters say that long fly balls that would have carried for home runs in july die in the cool air of october
Calculate the pH of the following: (a) a solution made by combining 50.0mL of 0.15M acetic acid and 50.0 mL of 0.20M sodium acetate; (b) a solution made by combining 125 mL of 0.050M hydrofluoric acid with 50.0 mL of 0.10M sodium fluoride.
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