A solution has a hydrogen ion (or hydronium ion) concentration of 2.54 10-7
What is the pH of the solution? Round to one decimal place.
Your
Answer

There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

This drawing shows a human body system. what is the primary function of this body system?