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Quantitative calculations that involve the stoichiometry of reactions in solution use volumes of solutions of known concentration instead of masses of reactants or products. The coefficients in the balanced chemical equation tell how many moles of reactants are needed and how many moles of product can be produced.
- Titrations
Solution: A As in all other problems of this type, the first...
- Solutions and Dilutions
Molarity. The most common unit of concentration is molarity,...
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Chętnie wyświetlilibyśmy opis, ale witryna, którą oglądasz,...
- Titrations
To convert between moles and grams, multiply moles by the molar mass to get grams, or divide grams by the molar mass to get moles. For example, lets say we have 100g of MgCl2 and want to convert it to the number of moles: 100/95.211 = 1.05 moles.
Al + O2 = Al2O3 is a Synthesis reaction where four moles of Aluminium [Al] and three moles of Dioxygen [O 2] combine to form two moles of Aluminum Oxide [Al 2 O 3] Aluminum powder sprinkled on a flame + (temperature) → Aluminium lighted white solid form. Aluminium burns in oxygen to form Al2O3.
So, in this example, the quantity of 120 grams of aluminum oxide equals 1.18 moles. You can use the calculator above to calculate this more easily or even our grams to moles calculator to quickly convert grams to moles and moles back to mass.
So, in this example, 120 grams of aluminum oxide equals 1.18 moles. Did you know you can also convert liters and atoms to moles as well? Recommended Chemistry Resources
The stoichiometric mole ratio of Al and O2 for a maximum theoretical yield is 4:3. If you combine 100 g (or 3.706 moles) of Al (molar mass = 26.982 g/mol) and 100 g (or 3.125 moles) of O2 (molar mass = 31.999 g/mol) it will have a theoretical yield of 188.946 g (1.853 moles) of Al2O3 (molar mass = 101.961 g/mol).
This mole calculator helps to determine the number of moles, mass, or molecular weight of a substance. Convert grams to moles effortlessly with this tool.
