Question Detail

CHM 101 Errors and Stoichiometry Objective Question
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Question

How many moles of Na are in 2.5 g of sodium? (1 mole of Na = 23 g)
Options
A 0.05 moles
B 0.11 moles
Correct Answer
C 0.23 moles
D 2.5 moles
Correct Answer

Option B is the correct answer.

Detailed Explanation

Number of moles = mass / molar mass = 2.5 g / 23 g/mol = 0.11 moles.

Hint

The notes provide this calculation.

Question Info

Course: CHM 101
Topic: Errors and Stoichiometry
Type: Objective
Difficulty: Not specified
Question 586 of 1872
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