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## How many moles are in hydrogen gas?

Use the mass of the hydrogen gas to calculate the gas moles directly; divide the hydrogen weight by its molar mass of 2 g/mole. For example, 250 grams (g) of the hydrogen gas corresponds to 250 g / 2 g/mole = **125 moles**.

## How many moles are present in one gram of hydrogen?

b) According to the basic mole concept, **one mole** of any atom is equal to the one gram of that element; but if we talk about the hydrogen in this case, 1 mole of hydrogen = 2 g of hydrogen, due to diatomic existence. c) Now, we can say that one mole is equal to Avogadro’s no. i.e. 6.02 $times$ 10$^{23}$ molecules.

## How many moles of H2 gas are present in 6 grams?

Answer: Divide the given mass (6.2 g) by the molar mass of hydrogen gas, which is 2.0 g, and you get **3.1 moles**.

## How many moles are in 1g of H2?

Molar mass of a substance is defined as the mass of 1 mole of that substance. And by 1 mole it is meant a collection of 6.022*10^23 particles of that substance. So number of moles of H2 are **0.5** in this case. And thus it means there are (6.022*10^23)*0.5 particles( here they are molecules) in 1g of H2.

## How many moles are in 10g of hydrogen gas?

Therefore Number of moles in 10 g of H₂ is **5 moles**.

## What is the value of 1 mole?

The value of the mole is equal to **the number of atoms in exactly 12 grams of pure carbon-12** (12 g C = 1 mol C atoms = 6.022 × 10^{23} C atoms).

## How much is a mole of oxygen?

The mass of oxygen equal to one mole of oxygen is **15.998 grams** and the mass of one mole of hydrogen is 1.008 g.

## How many grams are in 2 moles of carbon?

From the above concept of mole we tell that one mole of carbon contains [12g] of carbon, which is the molar mass of carbon. So the amount of carbon present in [2] moles of carbon =[2 times 12{text{ }}g = **24g]**.

## How many atoms are in 8 grams of oxygen?

given weight = 8g. therefore, no. of moles= weight/ rmm = 8/16 = . 5moles…

## 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 molecules are in 1g of co2?

One gram of carbon dioxide contains **13.6 x 10²¹** number of molecules.