To determine the mass of the sample, first find the volume difference after and before the aluminum was placed, the volume change is equal to the volume of the submerged object, in this case aluminum.
Then knowing volume of aluminum and the density of it, we can solve for the mass.
D = m/v
Dv = m
2.7 g/ml • 8 ml = 21.6 grams.
Answer:
I don't understand what to do with this
Answer is D breaking apart I to not more than two
Answer: You started with 8
Explanation: the amount of products is equal to the amount of reactants