Even though the procedure called for you to do so, organic chemists typically do not weigh sodium sulfate when it is used for this purpose. The proper amount is estimated instead. a) Why is it NOT necessary to weigh accurately the sodium sulfate? b) Even so, it is important to use enough without using way too much. What problem(s) would be associated with using too little or too much sodium sulfate? List at least one potential problem for each scenario.