Q
69 g of sodium contains 3 moles of sodium. What is the atomic mass of sodium?
RRB Group D, 23-Oct-18 S-1
2018
✓ Answer:
B
23
The atomic mass of sodium is 23 g/mol. Given that 69 g of sodium contains 3 moles, we can calculate the atomic mass using the formula: Atomic Mass = Mass / Number of Moles = 69g / 3moles = 23 g/mol.
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