The number of molecules in a sample of NH3 weighing 8.50g?

Q: the mass of 1 gallon of gasoline is about 2.7 kg. Assuming the gasoline is entirely octane, C8H18,…

A: Given The mass of 1 gallon of gasoline is about 2.7 kg or 2700 grams and the gasoline is entirely…

Q: 2.) 350 g of Calcium Chromate reacts with excess Hydrogen Peroxide. Write a balanced chemical…

A:

Q: What is the mass (in kg) of 6.89 x 1025 molecules of CO2?  The molar mass of CO2is 44.01 g/mol.

A:

Q: In one analysis, the density of ozone in an air sample was found to be 5.00  10−8 mol/L. What is the…

A:

Q: How many moles of mercury (II) oxide are needed to produce 125 g of oxygen?

A: Given :- mass of O2 = 125 g  To calculate :- number of moles pg HgO required.

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".