What is the concentration of H+ and 5.0 M hydrochloride acid, HF? Will mark Brainliest
Pls No link​

Which of the following best describes the formation of plasma?

All of the following are part of the biosphere except

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.