# How do you convert grams to atoms in stoichiometry?

## How do you convert grams to atoms in stoichiometry?

To calculate the number of atoms in a sample, divide its weight in grams by the amu atomic mass from the periodic table, then multiply the result by Avogadro’s number: 6.02 x 10^23.

## What is an example of stoichiometry?

Stoichiometry is the field of chemistry that is concerned with the relative quantities of reactants and products in chemical reactions. For example, when oxygen and hydrogen react to produce water, one mole of oxygen reacts with two moles of hydrogen to produce two moles of water.

Which is the best example of stoichiometry?

Stoichiometry Examples Stoichiometry Examples Moles to Moles Calculate the number of moles of carbon dioxide formed when 40.0 mol of oxygen is consumed in the burning of propane. Step 1: Write out complete chemical equation. Be sure to balance. C3H8+ 5O2Æ 3CO2+ 4H2O Step 2: Identify your molar ratio 3 CO2/ 5 O2

How to calculate the mass of an element in grams?

The units for molar mass are grams per mole or g/mol. 1.00 mol of carbon-12 atoms has a mass of 12.0 g and contains 6.022 × 10 23 atoms. 1.00 mole of any element has a mass numerically equal to its atomic mass in grams and contains 6.022 × 10 23 particles.

### How many atoms are in one gram of carbon?

Each of these quantities contains 6.022 × 10 23 atoms of that particular element. The units for molar mass are grams per mole or g/mol. 1.00 mol of carbon-12 atoms has a mass of 12.0 g and contains 6.022 × 10 23 atoms. 1.00 mole of any element has a mass numerically equal to its atomic mass in grams and contains 6.022 × 10 23 particles.

### How to write the balanced equation in stoichiometry?

Step 1: Write the balanced equation for the reaction. Step 2: Write down the relative atomic mass (A r) and the relative molecular mass (M r ), for each substance in the equation. Step 3: Using A r or M r, change the moles in the equation to grams.