posted by L
Gunpowder is a mixture of potassium nitrate, sulfur and carbon in the proportion by mass of 6:1:1 (KNO3:S:C). A typical rifle shell contains 3.0g of gunpowder. How many moles of each component are there in our sample of gunpowder?
divide 3 g by 8.
KNO3: 6/8* 3 grams divide by molmass KNO3
S : 1/8 * 3 grams.
and so on.