Its just like backing soda and viniger i think hope that helped
John Dalton, an English chemist
Atomic mass is number of protons + number of neutrons (disregard electrons in mass calculations). 104 + 157 = 261.
Answer:
.02232 mole
Explanation:
At STP each 22.4 liters is a mole
.5 liters / 22.4 l/mole = .02232 mole
You cannot create something from nothing and similarly you cannot create less from more, if you didn't balance an equation that needs to be balanced, your product might end up equalling more or less than the total mass of the two elements combined. Which is impossible
