Acidul HClO 4 este un acid tare.

a)Scrieti ecuaţia procesului de ionizare în soluţie apoasă
b)Calculaţi concentraţia ionilor hidroniu din soluţie, ştiind că s-au preparat
200 mL soluţie plecând de la 20,1 g acid percloric.
c)Determinaţi pH-ulsoluţiei.

this is confusing

Explanation:

i'm wiling to try and you : )

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.