Number of moles of KClO 3 that have to be heated to produce 1.0 L of O 2 (g) at STP can be expressed as
Text Solution
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1.Given:
Volume of 
gas 
Conditions: STP (Standard Temperature and Pressure), where 1 mole of any gas occupies 
.
2. Convert volume of 
gas to moles:
Moles of 
Volume of 
gas / Molar volume at STP
Moles of 
Moles of 
3. Use stoichiometry to find moles of 
:
From the balanced equation 
moles of 
produce 3 moles of 
.
Moles of 
needed 
Moles of 
Moles of 
needed 
Moles of 
needed 
4. Identify the expression that matches the calculated value:
The calculated value is 
.
Compare with the given options:
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