How many grams of HCl are present in 0.1 mole of it?

Numerical

1 mole of HCI has weight = 1 + 35.5 = 36·5 g

∴ 0.1 mole of HCl has mass = 0.1 x 36.5

= 3.65 g

shaalaa.com

Is there an error in this question or solution?

Chapter 5: Mole concept and Stoichiometry - EXERCISE-5B [Page 84]

Chapter 5 Mole concept and Stoichiometry
EXERCISE-5B | Q 9. (b) | Page 84

One of the following elements has an atomicity of ‘one’. This element is :

If 16 g of oxygen contains 1 mole of oxygen atoms, calculate the mass of one atom of oxygen.

What is the mass of 5 moles of sodium carbonate (Na2CO3) ?

(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)

Show by means of calculations that 5 moles of CO2 and 5 moles of H2O do not have the same mass. How much is the difference in their masses ?

Fill in the blank
Avogadro's number is equal to ______

Calculate the number of molecules in 12.8g of sulphur dioxide gas. Take Avogadro's number as 6 x 10²³.
[S = 32, 0 = 16 ]

What is the value of molar volume of a gas at S.T.P?

Calculate the number of moles of methane in 0.80 g of methane.

How many grams are there in the following?

2 moles of the hydrogen molecule, H₂.

How many grams are there in the following?

3 moles of chlorine molecule, Cl₂.