“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:

c)red bank

explanation:

red bank is a borough in monmouth county, new jersey, incorporated in 1908 and located on the navesink river, the area's original transportation route to the ocean and other ports.