# How many moles are in 400g of sodium sulfide?

Contents

## How many moles are in sodium sulfide?

Referring to those numbers, the formula Na2SO4 means: two moles sodium (45.98 g), one mole sulfur (32.06 g), and four moles oxygen (64.00 g) combine to form one mole of sodium sulfate (142.04 g).

## How many moles are there in .275 grams of sodium sulfate?

No of moles=458/142=3 moles. There are 3 moles in 458 grams of Na2SO4.

## How many moles of sodium sulfate are there in 10 grams?

Sodium sulfate (Na2SO4 N a 2 S O 4 ) has a molar mass of 142.04g/mol. Therefore, 10g of it represents 10 / 142.04 = 0.07mol.

## How many grams is na2s?

Sodium sulfide

Names
Chemical formula Na2S
Molar mass 78.0452 g/mol (anhydrous) 240.18 g/mol (nonahydrate)
Appearance colorless, hygroscopic solid
Odor none

## How do I calculate moles?

How to find moles?

1. Measure the weight of your substance.
2. Use a periodic table to find its atomic or molecular mass.
3. Divide the weight by the atomic or molecular mass.
4. Check your results with Omni Calculator.

## How many moles of sodium are in 2.0 moles of sodium sulfate?

There are 1.20⋅1024 atoms of sodium in 2 moles of sodium.

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## How many moles are in 100 grams of ammonium nitrate?

That much ammonium nitrate contains 0.1005 moles . When you are asked to convert either grams to moles, or moles to grams, always think molar mass.

## How many moles of oxygen are present in 14 grams of Na2SO4?

Question: How many moles of oxygen are present in 14 grams of Na2SO4? 0.099 mol.

## How many moles is 17.6 g Naoh?

17.6 grams of sodium hydroxide are equal to 0.440 moles of sodium hydroxide.

## What is 1 mole in grams?

Another property of Avogadro’s number is that the mass of one mole of a substance is equal to that substance’s molecular weight. For example, the mean molecular weight of water is 18.015 atomic mass units (amu), so one mole of water weight 18.015 grams.