mole conversions chemistry

What is a mole in chemistry?

A mole is a unit of measurement used to express amounts of a chemical substance, defined as exactly 6.022 x 10²³ entities (atoms, molecules, etc.).

How many grams are in one mole of water (H2O)?

One mole of water (H2O) weighs approximately 18 grams.

What is Avogadro's number?

Avogadro's number is 6.022 x 10²³, the number of particles in one mole of a substance.

How do you convert moles to grams?

Multiply the number of moles by the molar mass of the substance (in g/mol).

How do you convert grams to moles?

Divide the mass of the substance (in grams) by its molar mass (in g/mol).

What is the molar mass of carbon dioxide (CO2)?

The molar mass of carbon dioxide (CO2) is about 44 grams per mole.

What is the conversion factor for moles to molecules?

To convert moles to molecules, multiply by Avogadro's number (6.022 x 10²³).

How many moles are in 12 grams of carbon (C)?

There is 1 mole of carbon (C) in 12 grams, as its molar mass is 12 g/mol.

If you have 2 moles of NaCl, how many formula units do you have?

You have 2 x 6.022 x 10²³ formula units of NaCl.

What is the molar mass of ammonia (NH3)?

The molar mass of ammonia (NH3) is approximately 17 grams per mole.

How many grams are in 0.5 moles of glucose (C6H12O6)?

0.5 moles of glucose (C6H12O6) is approximately 90 grams.

What do you need to calculate moles from volume?

To calculate moles from volume, you need the concentration (in mol/L).

What is the formula for calculating molarity?

Molarity (M) = moles of solute / liters of solution.

Convert 15 grams of sodium phosphate (Na3PO4) to moles.

15 grams of sodium phosphate (Na3PO4) equals approximately 0.1 moles.

What is a dilution calculation in chemistry?

A dilution calculation involves reducing the concentration of a solution by adding more solvent.

How do you find the number of moles from a volume and molarity?

Number of moles = Volume (L) x Molarity (mol/L).

What is the molar mass of sulfuric acid (H2SO4)?

The molar mass of sulfuric acid (H2SO4) is approximately 98 grams per mole.

How many moles are in 500 mL of a 2 M solution?

There are 1 mole in 500 mL of a 2 M solution.

What is the conversion from millimoles to moles?

To convert from millimoles to moles, divide the number of millimoles by 1000.

How do you perform stoichiometric calculations?

Stoichiometric calculations use the coefficients from a balanced chemical equation to relate moles of reactants and products.