4NaCl + 2SO2 + H2O + O2 → Na2SO4 + 4HCl Which numbers balance this equation?

- 1,2,4
- 1,2,2
- 2,1,2
- 2,1,4

How many atoms are there in 5.70 mol of mg

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?