STANDARDChemistry-Mole Concept
STANDARD Chemistry Molar Mass and Molecules Assertion Reason Question
Type: Assertion Reason-conceptual-Medium
Assertion : One mole of NaCl contains 6.023 × 10²³ molecules of sodium chloride. Reason : 58.5 g of NaCl also contains 6.023 × 10²³ molecules of NaCl.
A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If both assertion and reason are false.
Correct Answer
Option B
Detailed Explanation
The molar mass of NaCl is 58.5 g, which contains 6.023 × 10²³ molecules. Therefore, both the assertion and reason are true, but the reason is not the correct explanation of the assertion.
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