Answer:
Sodium was first discovered in Britain in 1807, where a chemist named Sir Humphry Davy found it by electrolysis of caustic soda.
Explanation:
Hope this helped!
Answer:
The answer to your question is 52.35 g of O₂
Explanation:
mass of oxygen = ?
mass of KClO₃ = 66.8 g
Chemical balanced reaction
KClO₃ ⇒ 2 KCl + 3O₂
Process
1.- Calculate the molar mass of KClO₃ and Oxygen
KClO₃ = 39 + 35.5 + (16 x 3) = 122.5 g
O₂ = 16 x 6 = 96 g
2.- Write proportions to solve this problem
122.5 g of KClO₃ ----------------- 96 g of O₂
66.8 g ----------------- x
x = (66.8 x 96) / 122.5
x = 6412.8/122.5
x = 52.35 g of O₂
