Calculate the amount of substance (mol) and the mass of each product formed during the following transformations

| September 2, 2021 | education

Calculate the amount of substance (mol) and the mass of each product formed during the following transformations: sulfur → sulfur (IV) oxide → sulfurous acid → -barium sulfite, if 16 g of sulfur were taken.

Given:
m (S) = 16 g

Find:
n (SO2) -?
m (SO2) -?
n (H2SO3) -?
m (H2SO3) -?
n (BaSO3) -?
m (BaSO3) -?
n (H2O) -?
m (H2O) -?

Solution:
1) S + O2 => SO2;
SO2 + H2O => H2SO3;
H2SO3 + Ba (OH) 2 => BaSO3 + 2H2O;
2) n (S) = m (S) / Mr (S) = 16/32 = 0.5 mol;
3) n (SO2) = n (S) = 0.5 mol;
4) m (SO2) = n (SO2) * Mr (SO2) = 0.5 * 64 = 32 g;
3) n (H2SO3) = n (SO2) = 0.5 mol;
4) m (H2SO3) = n (H2SO3) * Mr (H2SO3) = 0.5 * 82 = 41 g;
3) n (BaSO3) = n (H2SO3) = 0.5 mol;
4) m (BaSO3) = n (BaSO3) * Mr (BaSO3) = 0.5 * 217 = 108.5 g;
3) n (H2O) = n (H2SO3) * 2 = 0.5 * 2 = 1 mol;
4) m (H2O) = n (H2O) * Mr (H2O) = 1 * 18 = 18 g.

Answer: The amount of SO2 is 0.5 mol; H2SO3 – 0.5 mol; BaSO3 – 0.5 mol; H2O – 1 mol; the mass of SO2 is 32 g; H2SO3 – 41 g; BaSO3 – 108.5 g; H2O – 18 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.