What volume of 1.40 M HCl solution contains 0.400 total moles of HCI?

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

How manyatoms of mercury are in 1.4214e+1 ml sample

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .