What is theka of the conjugate acid of the unknown base
0.300 moles of an unknown monobasic weak base are added 1.50L of water. The resulting solution has a pH 8.6. What is theKa of the conjugate acid of the unknown base? Assume no change in volume.
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What is the hydroxide ion concentration of an aqueous 0.00370Mcaffeine solution? The most basic nitrogen atom in caffeine has aKb of 4.1x10-4
A coil carries a current and experiences a torque due to a magnetic field. The value of the torque is 91.5% of the maximum possible torque. (a) What is the smallest angle between the magnetic field and the normal to the plane of the coil?
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