4 Calculate the mass of tin that can be extracted from 100 kg of tin ore that contains 1% tin by mass. Calculate the mass of waste produced.

What provides structure to the human body?

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius