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Define Buffers and Buffer Solutions?
Solutions containing both weak acid and their salts or solutions containing weak hydroxides and their salts are referred to as buffer solutions. They have the capacity of resisting changes in pH when either acid or alkali is added to them. Buffers are therefore, aqueous solutions that tend to resist any pH change when small amounts of acid or base are added. A buffer system consists of a weak acid (proton donor) and its conjugate base (proton acceptor) or a weak base and its conjugate acid in comparable concentrations. Because they maintain a constant pH, buffers are good reference solutions.
Differentiate between Total Fertility Rate (TFR) and Replacement Level (RL) Due to uncontrolled excessive hunting the population of tigers in a forest becomes Zero. Discuss the
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Observe several individuals as they run. look for the application of the principles listed. Which are violated and how. The application of the principles The law of inertia
WHAT IS THERE BETWEEN THE TRACHEA OF COCKROACH AND RABBIT
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