“na2so3” represents sodium sulfite. what does the 4 mean in the formula 4na2so3?

The mass of substance which consists the equal number of particles as 12 grams of Carbon-12 is said to be mole.

For example:

The balanced chemical equation for production of water from hydrogen and oxygen is:

That means 2 moles of reacts with 1 mole of to give 2 moles of  .

The given formula is .

Hence, 4 represents the number of moles in formula that is 4 moles of .

The number of atoms of sodium, in is:

The number of atoms of sulfur, in is:

The number of atoms of oxygen in, in is:

sorry idk the answer well to you i have a explaination

explanation: a formula which shows the arrangement of atoms in the molecule of a compound

your answer would be “dry”