Answer:
graduated cylinder
Explanation:
It shows exact volume very precisely.
If you start with 40.0 grams of the element at noon, 10.0 grams
radioactive element will be left at 2 p.m. The correct answer between
all the choices given is the second choice or letter B. I am hoping that this
answer has satisfied your query and it will be able to help you in your
endeavor, and if you would like, feel free to ask another question.
It is correct, next time re-check your answer and don't second guess yourself. ;3
A.)49.4974874 moles or 49.5 moles
B.)2.980808730172671e+25 or 3e+25
1860-х годах, а кульминацией — распространение поточного производства и поточных линий. В 1860—1870-х годах технологическая революция быстро охватила Западную Европу, США, Российскую империю и Японию.