Question

Atoms and molecules
Q1. Calculate the mass of-
i)2 mole of oxygen atoms.
ii) 3 moles of water

Q2. Convert 22 grams of carbon dioxide into mole and also calculate the the number of molecule present in it.

Q3. Calculate the molar mass of following-
i) hydrogen chloride
ii) ammonia
iii) sulphuric acid

Q4. Write the Criss cross formula of following
i) aluminium carbonate
ii) sodium oxide
iii) magnesium hydroxide
iv) potassium sulphate
v) calcium nitrate

Q5. Give the names of element present in following compounds- quick lime and baking powder.
Q6. Write all the postulates of Dalton's atomic theory.


plz help me to complete these questions if u don't know the answer don't say anything plz​

Answer 1

Answer:

hi mate here is ur solution and mark me as brain listed