How many grams of sodium hydroxide is formed from 46 grams of sodium? What is the mass of the released substance?

univerkov | November 21, 2020 | education

m (Na) = 46g.
m (NaOH) =?
2Na + 2H2O = 2NaOH + H2
Find n (Na):
M (Na) = 23g / mol
n (Na) = m / M = 46/23 = 2 mol
n (Na) = n (NaOH) = 2 mol
Find m (NaOH):
M (NaOH) = 40g / mol
m (NaOH) = n * M = 2 * 40 = 80l.
Answer: m (NaOH) = 80l.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.