The Atomic Weight Of Hydrogen Is 1.0079 Amu And The Atomic Weight Of Oxygen Is 15.999 Amu. Using The Information, What Is The Molecular Weight Of A Mo

The atomic weight of hydrogen is 1.0079 Amu and the atomic weight of oxygen is 15.999 amu. Using the information, what is the molecular weight of a molecule of water, H2O? (Amu= atomic mass unit)

HELP PLEASE

Good Day....

Problem:

What is the molecular weight of a molecule of water, H2O? (Amu= atomic mass unit)

Given Data:

Oxygen = 15.999 atomic mass unit (amu)

Hydrogen = 1.0079 atomic mass unit (amu)

Note: H2O contains 2 atoms of hydrogen and 1 atom of Oxygen

Hydrogen = 1.0079  amu × 2 = 2.0158 amu (H2)

Oxygen =  15.999  amu × 1 = 15.999  amu    (O)

Solution:

Add the atomic mass unit of 2 hydrogen to the atomic mass unit of 1 oxygen.

H2O =  2.0158 amu + 15.999  amu = 18.0148 amu

We can also say that 1 mole of H2O is equal to 18.0148 grams.

Molar mass of H2O = 18.0148 grams/mol

Answer:

H2O has 18.0148 atomic mass unit (amu)

H2O has a molar mass of 18.0148 grams / mol

Hope it helps...=)


Comments

Popular posts from this blog

"Ipaliwanag Ang Ibig Sabihin Ng Saknong 20 Ibong Adarna Alam Niyang Itong Tao Kahit Punot Maginoo Kung Hungkag Din Ang Ulo Batong Agnas Sa Palasyo"

Alamat Ng Katana At Ang Mga Tauhan Nito

"Ano Ang Mga Epekto Ng Nepotismo Sa Sarili At Sa Lipunan? Paano Natin To Masosolusyunan?"