It is not directly over a flame because it depends on the substance you might not want to heat it too much.you never know what could happen
I think is 1 and a half km
Answer:
I would try but i just need points good luck tho
Percent Composition by Mass. Percent composition is calculated from a molecular formula by dividing the mass of a single element in one mole of a compound by the mass of one mole of the entire compound. This value is presented as a percentage.
The best answer. :)
