<span>B.by arranging the elements according to atomic number instead of atomic mass</span> awnser is B
Answer is Sodium Hydroxide.
Answer:
I believe it the Data Table
Explanation:
because that the final step of an experiment; recording your data throughout the experiment, and that where you recorded your steps and information throughout the experiment.
The balanced equation for the reaction between Mg and O₂ is as follows
2Mg + O₂ --> 2MgO
stoichiometry between Mg and O₂ is 2:1
number of Mg reacted - 4.00 mol
if 2 mol of Mg reacts with 1 mol of O₂
then 4.00 mol of Mg requires - 1/2 x 4.00 = 2.00 mol of O₂
then the mass of O₂ required - 2.00 mol x 32.0 g/mol = 64.0 g
64.0 g of O₂ is required for the reaction
