The mass of oxygen gas is released in the reaction of decomposition of magnesium oxide 6.4 grams
calculation
mass of oxygen=mass of magnesium oxide -mass of magnesium produced
that is 16.12-9.72=6.4 grams
Answer:
.25g
Explanation:
so I will answer the first question: so if the waning gibbous happened on July 1 then you would expect the waxing crescent.
b
carbonated and dioxedi mixed up