Cu + 4 HNO, Cu(NO), + 2H,0 + 2NO,
What is the total mass of H, O produced when 32 grams of Cu is completely consumed?

imma come back to you hold on

d

explanation:

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.