**Contents**show

## How many atoms are present in 2.5 moles?

There are **45.165 X 1023 atoms** in 2.5 moles of SO2. We reach this conclusion by using Avogadro’s number, which is the number of fundamental units in a mole and equals 6.022 X 1023.

## How many atoms are present in 2.0 moles?

2.0 moles Na x 6.022⋅1023g1mol=**1.20⋅1024 atoms** of Na.

## How many atoms are in 15 moles?

And thus in a 15⋅mol quantity there are approx. **9×1024 hydrogen atoms** .

## How many grams is 5 liters?

How Many Grams are in a Liter?

Volume in Liters: | Weight in Grams of: | |
---|---|---|

Water | Cooking Oil | |

5 l | 5,000 g |
4,400 g |

6 l | 6,000 g | 5,280 g |

7 l | 7,000 g | 6,160 g |

## How many atoms are in 5 moles?

Avogadro’s number: the amount of atoms in 1 mole of carbon 12 is 6.022 x 10^23. So if you have 5 mole, you have: 5 x (6.022 x 10^23) = **3.011 x 10^24 atoms**.

## How many atoms are in 2 moles of sodium?

If we have 2 mol of Na atoms, we have 2 × (6.022 × 10 ^{23}) Na atoms, or **1.2044 × 10 ^{24} Na atoms**.

## How many atoms are in 2 moles of co2?

In one mole of carbon, there are 6.02×1023 atoms. So in two moles, there will be twice that: **1.204×1024** .

## How do you calculate the number of atoms in aluminum?

**1 Answer**

- Notice that aluminium is said to have an atomic mass of 26.982 u . …
- This means that the mass of one mole of aluminium atoms will be 26.982 g .
- This means that if you know how many moles of aluminium you have in 4.55 g , you can use Avogadro’s number to find the number of atoms.

## How can you tell how many atoms of aluminum foil are thick?

By **dividing the mass by a known density value**, we obtained the volume of aluminum foil in our sample. By dividing that by the surface area, we found the thickness of the aluminum foil in cm. (The value was 2.86 *10^-3 cm.) The value converted to be 2.86*10^5 angstroms.

## How many atoms are in 0.75 moles?

Explanation: Since we know that there are 6.022⋅1023 atoms in every mole of a substance (Avogadro’s Number), there are **6.022E23⋅0.750 atoms** of Zn in 0.750 mols of Zn.

## How many atoms of potassium are in 2 mole?

There are **6.022 × 10 ^{23} atoms** of potassium in every mole of potassium.