What is the maximum mass of pure iron that could be extracted from 40.0 g of hematite, a iron ore with the chemical formula Fe203
Be sure your answer has a unit symbol, if necessary, and is rounded to 3 significant digits.

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Detrimental the length of the object shown 1. 97.8mm 2. 97.80 mm 3. 97mm 4. 98mm