Question

plzz help anybody.... this question for 50 marks.... so explain step by step... question is - how to find molar mass and molecular mass.... plzz explain step by step by giving an example ​

Answer 1

Hii mate !!!!!!!

Here is your answer.....

Molar mass = atomic mass of an element

Molecular mass = molar mass of an compound

For example. The molar mass of Hydrogen (H) = 1u = 1g and of Oxygen (O) = 16u = 16g

But molecular mass of H2O

H2O = H×2 + O×1

= (1×2 + 16×1)g = (2+16)g = 18g

Therefore molecular mass of H2O = 18g.

HOPE THIS WILL HELP YOU... : )

Answer 2

Molar mass of an element

- find the relative atomic mass of the element.

-multiply the relative atomic mass by the molar mass content.

Molar mass of a compound

-find the chemical formula for the compound.

-find the relative atomic mass of each element.

-calculate the molar mass.

-add the molar mass.

Molecular formula

-determine the molecular formula.

-use the periodic table to determine atomic mass of each element.

-multiply atomic mass by atomic number.

-add the values together.

Hope this will help you

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