# Best answer: Where does the mole to mole ratio come from?

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A mole ratio is a conversion factor that relates the amounts in moles of any two substances in a chemical reaction. The numbers in a conversion factor come from the coefficients of the balanced chemical equation.

## Where are mole ratios obtained from?

Molar ratios state the proportions of reactants and products that are used and formed in a chemical reaction. Molar ratios can be derived from the coefficients of a balanced chemical equation.

## When would you use a mole to mole ratio?

Mole Ratio Definition

A mole ratio is ​the ratio between the amounts in moles of any two compounds involved in a chemical reaction. Mole ratios are used as conversion factors between products and reactants in many chemistry problems.

## Why is it called the mole ratio?

Each part of the ratio of coefficients for the chemical reaction was multiplied by the same number, so the reduced ratio is the same. … The ratio obtained from the coefficients in a balanced chemical equation is called the mole ratio.

## Do you reduce mole ratios?

The molar ratio can be constructed using any two compounds in the reaction, be they reactants or products. Write the molar ratios for (a) O2 to SO3 and (b) SO2 to SO3. … Note that both ratios can be reduced.

## What is the mole mole ratio of KClO3 o2?

You’d need 33.3 moles of potassium chlorate, KClO3 , to produce that much oxygen. Notice that you have a 2:3. mole ratio between potassium chlorate and oxygen gas, which means that, regardless of how many moles of the former react, you’ll always produce 3/2 times more moles of the latter.

## What are the 4 types of stoichiometry problems?

4 types of stoichiometry problems

• Mole – mole.
• Mole – mass.
• Mass – mole.
• Mass – mass.

## How many mole ratios can be correctly obtained?

A mole ratio is a conversion factor that relates the amounts in moles of any two substances in a chemical reaction. The numbers in a conversion factor come from the coefficients of the balanced chemical equation. The following six mole ratios can be written for the ammonia forming reaction above.

## What is the mole ratio of Fe3O4?

What is the mole ratio of Fe3O4 to Fe? A- 1:3.

## What is the mole ratio of pcl3 to pcl5?

Answer : The mole ratio of to is 1 : 1 ratio.

## What is the mole formula?

Avogadro’s number is a very important relationship to remember: 1 mole = 6.022×1023 6.022 × 10 23 atoms, molecules, protons, etc. To convert from moles to atoms, multiply the molar amount by Avogadro’s number. To convert from atoms to moles, divide the atom amount by Avogadro’s number (or multiply by its reciprocal).

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## What is the relationship between a mole and Avogadro’s number?

One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro’s number or Avogadro’s constant. The concept of the mole can be used to convert between mass and number of particles.. Created by Sal Khan.

## Why is mole ratio important?

Mole ratios are important because mole ratios allow you change moles of a substance to moles of another substance. … The mole ratios come from the chemical formula or equation.

## What is the mole ratio of o2 to co2?

In this case, the mole ratio between oxygen and carbon dioxide is 5:3 , i.e. you need 5 moles of oxygen to produce 3 moles of carbon dioxide. Simply put, the number of carbon dioxide moles produced will always be exactly 3/5 times smaller than the number of oxygen moles that react.

## Are mole ratios always whole numbers?

The mole ratio did not turn out to be whole numbers. Since the we cannot have partial atoms in the empirical formula, a multiplication factor must be applied to get whole numbers. 