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An excess of NaOH solution was added to 100 ml of a ferric chloride solution.
This caused the precipitation of 1.425 gram of Fe(OH)3. calculate the normality of ferric chloride solution.
1. what mass of phosphorous trichloride forms when 125g of P4(S) reacts with 323g of chlorine gas?
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
What is the pH of the solution that results from mixing 50.0 mL of 0.100 M NaOH with 100.0 mL of 0.100 M propanoic acid
The Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). Explain how much limestone in kilograms would be needed to completely neutralize a 5.2 × 10 9 L lake containing 5.0 × 10 -3 g of H2SO4 per li..
Explain what is the mass of 7.50 mol of uranium. Explain how many times more massive is 7.50 mol of uranium than 7.50mol of H2
What is the ratio of oxygen atoms to hydrogen atoms in the mineral cacoxenite, Fe4(PO4)3(OH)3 • 12H2O?
which stting material in the reaction if the limiting reactant and which material is present in excess? show
Use Huckel molecular orbital theory to answer the following questions. Express energies as functions of the parameters α and β. Write down the secular determinant and calculate the π molecular orbital energy levels of ethene.
Molecule X has an absorbance of 0.287 at 247nm when a 7.67 x 10^-5 M solution is measured in a 2.25 cm cell. What is the molar absorptivity of X
Deduce the structure of the molecule that is composed of carbon, hydrogen and oxygen with a MS molecular mass peak value of 100 and molecular peak values of m/z = 29, 43, 57, 71, 100
llustrate on example between an ionic amino acid side group and the organic portion of your drug that has an ionic charge.
Question- The normal boiling point of ether is 307.8 K. Calculate the temperature at which its vapor pressure is exactly half of that at its normal boiling point. The heat of vaporization for ether is 26.69 kJ/mol please show work.
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