CgH8(g) + 5 O2(g) - 4H2O(g) + 3 CO2(g) The volumes of the reactants and products of this reaction are measured under the same conditions. What is the total number of liters of CO2
produced when 150 liters of O2 reacts completely with C3H8?
A) 3.0
B) 90
C) 150
D) 250

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

12 is it do you think so

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.