**Contents**show

## What is the mass of 5 moles of sodium?

Mass of sodium is 23 grams. So the total mass of 5 moles of sodium will be 5×23=**165** .

## How many moles are in Na2CO3?

The molar mass of Na_{2}CO_{3} is **106 g/mole**.

## What is the mass of 5 moles of any 203?

The mass of 5 moles of Sodium carbonate is **530g**.

## What is the mass of 10 moles of sodium sulphite na2so3 )?

Mass of 10 moles of sodium sulphite is **1260 grams**.

## What is the equivalent mass of Na2CO3?

Answer: **53 g/eq**

So the charge on both ions is 2. Therefore, the molar mass of Na2CO3 is 106 g/mole.

## What is the formula unit mass of Na2CO3?

The formula unit mass of a substance is the sum of the atomic masses of all the atoms in the formula unit of an ionic compound. Therefore formula unit mass of Na2CO3 = 2Na + 1C + 3O = 2 × 23 + 1 × 12 + 3 × 16 = 46 + 12 + 48 = **106 u**.