How many grams of C6H6 are present in 12.70 moles of C6H6

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.

What record? the question is incomplete

Answer//the law of conservation of mass.;