Calculate the volume of glacial acetic acid 176 m and
Calculate the volume of glacial acetic acid (17.6 M) and weight of sodium acetate (mm = 82.03) that is required to make 102 ml of 0.2 M buffer at pH 4.85. The Ka of acetic acid is 1.4 x10^-5.
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A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2 x10-5).
Calculate the volume of glacial acetic acid (17.6M) and eight of sodium acetate (mm=82.03) that is required to make 102 mL of 0.2M buffer at ph 4.85. The Ka of acetic acid is 1.4*10^-5.
A class C amplifier severely distorts the signal. How can we use a resonant tuned filter to get the desired signal at the output What type of transistor (BJT or FET) would you like to use at the front end (first amplifier) of a receiver
The reaction vessel is charged initially with SO3(g) and NO(g), each at a partial pressure of 0.500 atm. In the space below, enter the equilibrium the partial pressure of SO2(g) in units of atm
At equilibrium the concentration of NO in the vessel is 0.161M. At equilibrium the vessel contains N2, H2O and H2. What is the value of the equilibrium constant Kc for the following reactions?
A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2x10^-5).
How can your selected organization use quantifiable elements to evaluate, monitor, and control marketing effectiveness?
A water sample was found to contain [Ca2+]=35 mg/L and [Mg2+]=20 mg/L. Determine the water hardness in terms of mg/L CaCO3.and state whether it has low, medium or high hardness.
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