Mass of SO2 = mass of sulfur+ mass of oxygen
⇒ 64 g= mass of sulfur+ 32 g
⇒ mass of sulfur= 64 g-32 g
⇒ mass of sulfur= 32 g.
There is 32 g of sulfur in 64 g of SO2~
What is the percent composition by mass of oxygen in magnesium oxide, MgO?
Answer: 39.7 percent
<span>Involuntary Muscles
</span>⇒ Involuntary Muscles <span>are muscles that contract without any conscious control.
The most important </span><span>Involuntary Muscle in the body is the heart. </span>
NaPO4 + KOH -> KPO4 + NaOH
already balance
