How many moles of potassium chloride are produced when 0.0639 moles of potassium reacts with excess of chlorine gas? 2 K + Cl2 ® 2KCl

In the balanced equation: 2 H2 + O2 = 2 H2O

What is conserved in every chemical reaction?

The calculated amount of a product that should be produced in a chemical reaction is called the:

A particlular reaction is expected to produce 2.6 g of sodium. In reality, the reaction only produced 1.9 g of sodium. The percent yield of the reaction is:

When two substances react to form products, what is the reactant that is used up first called?

The number of atoms of one mole of an element is equal to

Where do you find the numbers used for mole ratios?

Stoichiometry problems may involve all of the following except:

How many grams of oxygen are in a sample of 0.0625 mol O2?

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