<span>Over a period of 6 hours, the substance went from 100% to about 60%, which is slightly less than one half life. One half life is therefore slightly more than 6 hours, with 7.4 hours being the most logical answer.</span>
Answer:
The volume of reactant measured at STP left over is 409.9 L
Explanation:
Yes layers of sediment form at the bottom of the ocean.