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A 0.2570g of pure sulfamic acid, HSO3 . NH2, is neutralized by a KOH solution. A 25.70 mL of KOH was added to the solution and 3.40 mL of HCl was used to back titrate the solution. In the ratio determination of 23.10 mL, HCl was used to completely neutralize 20.00 mL of KOH. Find the normality of the acid and base.
The second-order reaction, 2 Mn(CO)5 Mn2(CO)10 has a rate constant equal to 3.0 x 109 M-1s-1 at 25°C. If the initial concentration of Mn(CO)5 is 1.0 x 10-5 M.
If you dilute 25.0 of the stock solution to a final volume of 0.460 , what will be the concentration of the diluted solution?
What changes would I make in my experimetal procedure to determine the rate law for the oxidation of red dye by sodium hypochlorite
a solution is made by dissolving 10.20 grams of glucose c6h12o6 in 355 grams of water. what is the freezing-point
When 1.1g of a nonvolatile substance is added to 45.5g of benzene, the vapor pressure decreased from 97.0 to 95.7 tor. From the mol fraction of the substance in the solution estimate the molar mass of the compound
How many total moles of ions are released when the following sample dissolves completely in water. 8.47x10^-2g of Ca(NO3)2
At a certain temperature, the equilibrium mixture of the reaction PCl5 (g) ? PCl3 + Cl2 (g) has PCl5 = 1.50 atm. PCl3 = 0.10 atm and PCl2 = 7.50 atm Calculate the value of Kp at this temperature
What is the coordination environment of F in a hypothetical relative of CaF2, in which Ca forms a hcp array and F occupies all the tetrahedral sites?
Chlorine released from chlorofluorocarbons (CFCs) reacts with ozone in the atmosphere to form oxygen. The proposed reactions are
Consider the following reactions and select the false statement below. CO2(g) + OH?(aq) ? HCO3?(aq) Cr3+(aq) + 6H2O(l) ? Cr(H2O)63+(aq) A. in Cr(H2O)63+ the Cr3+ is attracted to the H2O molecules via ion-dipole intermolecular forces
A mass of 95 g of ice at 0C is combined with 105g of water at 25 C the final temperature of the mixture is 0 C what mass of ice melts. (heat of fusion=333J/g specific heat capacities ice=2.09, liquid water =4.184)
At a fixed temperature, equal moles of N2 (g) and F2 (g) are mixed in a constant pressure container (the volume of the container changes in order to keep the pressure at a constant value). The N2 (g) and F2 (g) are allowed to react, producing NF3 ..
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