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Calculate the pH of the solution that results when mixing 20.0ml of 0.1750M HCl with 25.0ml of a_distilled water b_0.132M NaOH c_0.132M NH3 d_0.232M NaOH
What is the unit for molar mass grams per mole or kilograms per mole?
Values for kw at0,50 and 100°c are 1.14×10^-15 , 5.47×10^-14 and 4.9×10^-13 calculate the pH for a neutral solution at each of these temperatures
If a solution of aspirin has a [OH-] = 4.4 x 10–12 M, what is the pH of the solution?
Determine the concentration of CO3 that would be required to cause a precipitation to occur in a 3.0E-4 M solution of barium ions. The Ksp for BaCO3 is 5.1E-9.
What are the changes in pH when in a buffer solution of CH3COOH/CH3COONa you add 1) water 2) CH3COOH 3) CH3COONa 4) HCl .
what is cstr reactor. also define equation .
between Cs.Mg, Cu, Ge, N, S, F which one of them is the least reactive
. Lee Kwang Soo wants to prepare a buffer with a pH of 5.00.
a) What ratio of CH3COO/CH3COOH does she need?
b) How could she mix 0.100 M CH3COOH and 0.100 M NaCH3COO to make this buffer?
c) How could she make this buffer using 0.100 M CH3COOH and 0.100 M NaOH?
d) Name another buffer system she could use.
a) What ratio of CH3COO/CH3COOH does she need?
b) How could she mix 0.100 M CH3COOH and 0.100 M NaCH3COO to make this buffer?
c) How could she make this buffer using 0.100 M CH3COOH and 0.100 M NaOH?
d) Name another buffer system she could use.
calculate the standard enthalpy of combustion of methane,given that standard enthalpy of carbon and hydrogen are 393.5 kj mol and -283.83kj mol.standard enthalpy of formation of methane is 75.16 kj mol.?
