SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the molar mass of sodium?
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11
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22.990
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45.98
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3
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Explanation:
Detailed explanation-1: -The molar mass of Sodium(Na) is the value of atomic mass expressed in grams. Therefore, the molar mass of Sodium(Na) is 22.990 g/mol.
Detailed explanation-2: -The atomic number of sodium is 11, while the number of neutrons in its nucleus is 12. Sodium’s atomic mass is 11 + 12 = 23. As a result, 1 mole of sodium equals 23 grams.
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