Which of the following solutions is the most concentrated solution?
Group of answer choices

5.1 M solution of HCl

4.5 M solution of BaCl2

1.1 M solution of KCl

3.2 M solution of Mg(OH)2

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth