Using the reaction equation 4 Na + = 2NaO, calculate how many grams of sodium you need to get 31 g of sodium oxide.

univerkov | November 28, 2020 | education

Reaction equation: 4Na + O2 = 2Na2O
The mass of the substance obtained: m (Na2O) = 31g
The amount of the substance obtained: n = m / M = 31 * 62 = 0.5 mol
If 2Na2O = 0.5 mol, then the amount of substance 4Na = 0.5 * 2 = 1 mol
m = n * M = 1 * 23 = 23g
Answer: 23 g

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.