A certain indicator ha has a ka value of 0000040 the
A certain indicator, HA, has a Ka value of 0.000040. The protonated form of the indicator is red and the ionized form is blue.What is the pKa of the indicator?
What is the color of this indicator in a solution with pH=6?
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calculate the ph at the equivalence point for the titration of 0210m methylaminech3nh2 with 0210m hcl the kb of
a 430 gram rock is whirled on the end of a string 45 cm long which will break under a tension of 22 na what is the
between the poles of a powerful magnet is a cylindrical uniform magnetic field with a diameter of 250 and a strength of
a certain indicator ha has a ka value of 0000040 the protonated form of the indicator is red and the ionized form is
a ball is thrown upward from a platform 40 m high with a speed of 23 ms at an angle of 37 o from the horizontal what is
what will the units of the following rate constant if the rate constant is expressed in moll min rate k
a 0140-mole quantity of cocl2 is added to a liter of 120m nh3 solution what is the concentration of co2 ions at
a wire carries a current of 0616 a this wire makes an angle of 567deg with respect to a magnetic field of magnitude
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