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Question- 0.60g of sodium hydroxide (NaOH) pellets are dissolved in water to make 7.0L of solution. What is the pH of this solution?
Provide complete steps to solve the above question any help is appreciated
what percent of ca3po42 a major component of bone is ca and what mass of ca is present in 1 kg ca3po42? 3.46 how many
Ka for this species is 10-4 and Kb is 10-8. Nonetheless, the Ka and Kb reactions proceed to nearly the same extent when NaHA is dissolved in water.
Write a balanced chemical equation for the neutralization reaction upon which this titration is based, and indicate clearly which atom is being protonated.
a student performs two melting-point determinations on a crystalline product. in one determination, the capillary tube contains a sample about 1-2 mm in height and the melting range is found to be 141 degree - 142 degree celsius
1 a calorimeter contains 28.0 mlof water at 11.5 degreescelcius. when 2.10 g of x a substance with a molar massof 79.0
Using standard enthalpies of formation from Appendix L, calculate Ho for the following reaction: 2 C6H6(l) + 15 O2(g) --> 12 CO2(g) + 6 H2O(g) b. How many grams of C6H6(l) must be combusted in the above reaction to produce 2570 kJ of heat energy
you perform a titration between a solution of ammonium (Kb = 1.8*10^-5) and HCL. you have a 200 ml of 50.0mM ammonium solution titrated against
How many lone pairs of electrons are there in a molecule of crotononitrile?
Calculate the heat energy released when 19.5g of liquid mercury at 25.00C is converted to solid mercury at its melting point in kJ.
How did changing the concentration of tert-butyl chloride affect the rate of the reaction. In part 1, we varied the concentration of the nucleophile in order to help determine the rate law.
Suppose that you developed your own new temperature scale, denoted oN. You chose 30.0oN as the temperature of freezing water and 280oN as the temperature of boiling water at 1.0 atm pressure.
If 3.140g of ethanol is burned completely in a bomb calorimeter at 298.15 K, the heat produced is 92.82kJ. 1) Calculate delta H_combustion for ethanol at 298.15 K. 2) Calculate delta H_f for ethanol at 298.15 K.
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