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How many grams are in 0.5 moles of sodium (Na)?

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Question: How many grams are in 0.5 moles of sodium (Na)?

Options:

  1. 11 g
  2. 22 g
  3. 5.5 g
  4. 44 g

Correct Answer: 11 g

Solution: 

The molar mass of sodium is approximately 23 g/mol. Therefore, 0.5 moles of Na weigh 0.5 x 23 g = 11 g.

How many grams are in 0.5 moles of sodium (Na)?

Practice Questions

Q1
How many grams are in 0.5 moles of sodium (Na)?
  1. 11 g
  2. 22 g
  3. 5.5 g
  4. 44 g

Questions & Step-by-Step Solutions

How many grams are in 0.5 moles of sodium (Na)?
  • Step 1: Identify the molar mass of sodium (Na). The molar mass is approximately 23 grams per mole.
  • Step 2: Determine how many moles of sodium you have. In this case, you have 0.5 moles.
  • Step 3: Use the formula to find the weight in grams: Weight (g) = Moles x Molar Mass.
  • Step 4: Plug in the values: Weight = 0.5 moles x 23 g/mol.
  • Step 5: Calculate the result: 0.5 x 23 = 11 grams.
  • Molar Mass Calculation – Understanding how to convert moles to grams using the molar mass of a substance.
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