Divide by the molar mass of HCl which is 36.5g/mol grams cancels out and you are left with 1.99 mol.
If you change the subscripts it would change the reactants or products and then you would be solving a different formula, you would change what the chemical is
At almost the opposite point on the Earth's surface, the "P" waves reappear. The shadow zone exists because the waves are refracted as they pass through the boundary between the mantle and the core and are diverted from their original paths.
Answer:
25 grams
Explanation:
You strat off with 400 grams of your substance. By day 14, half has dcayed and you only have 200 grams left. By day 28, there are 100 grams of the substance. On day 42, there are 50 grams left. Finally, on day 56, the substance has been through four half-lives and 25 grams remain.
Answer:
atom is the smallest unit of matter that has the characteristic properties of a chemical element.
