Chapter 12, Problem 44RQ

When you do a load of laundry, why do you not just drop a bar of soap Into the washing machine? In other words, why is laundry detergent sold as a liquid or powder?

Some undiluted acids are not as corrosive as when they are diluted with water. That is why lab workers are told to wipe off splashes with a towel before washing. Explain.

How can one have an imbalance in a substance, but not actually have elevated or deficient levels of that substance in the body?