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460. mL of hydrochloric acid (HCl) acid is exactly neutralized with 485 mL 0.660 M NaOH solution. What is the concentration of the acid solution?
a 10.00g sample of toothpaste contaning stannous fluoride gives0.145g precipitate of stannous phosphate.what is the percentage of snf2 in the toothpast sample.
?Hf0 for the formation of rust (Fe2O3) is -826 kJ/mol. How much energy is involved in the formation of 5 grams of rust.
A solution is prepared by mixing 63.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Determine the volume of the gas at a pressure of 150.0 kPa and a 26 degree Celsius of temperature?
what will be the theoretical yield of bromobenzene in given reaction as C6H6 + Br2 → C6H5Br + HBr also find out percentage yield when actual yield of bromobenzene was found 56.7 g?
The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 400C. Calculate the vapor pressure of pure ethanol at 400C
Up to Iron "Fe", the number of proton and neutron are about equal, after Fe the number of neutron began to rapidly increase, with respect to the number of proton, why?
A metal is electrolyzed from aqueous solution by using an electrical current of 1.23 A for 2½ h, and 3.37 g of metal is deposited. In a separate experiment the number of electrons used for the reduction of the metal is 2.
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.253 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.9°C.
what is the maximum amount of P4S10(444.545 g/mol) which could be formed from 17.12 g of P4 (123.895 g/mol) and 0.137 mol of S8 (256.52 g/mol).
Calculate the binding energy of the 2s electron in iron and calculate the binding energy of the 2s electron in iron. Does the new energy agree better with experiment?
In a manometer the mercury level at the open end of the tube is 215 mm higher than at the closed end of the tube. If the atmospheric pressure is 1 atm.
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