Answer:

Given:
- Given mass of NaOH = 30 gram
- Molar mass of NaOH = 40 gram
- Volume = 2.40 litres
To find:
Molarity = ?
Solution:
<em>Molarity is nothing but the number of moles of solute dissolved in per litre of solution. given by </em><em>formula,</em>



Order of increasing atomic mass!
hope this helps :)
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Answer:
50L of H2
Explanation:
First let us generate a balanced equation for the reaction
Cl2 + H2 —> 2HCl
From the equation above,
1L of Cl2 required 1L of H2 for complete reaction.
Therefore, 50L of Cl2 will also require 50L of H2 for complete reaction.