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What is the concentration of a solution if 5 g of NaOH is dissolved in 250 mL of water? (2020)

Practice Questions

1 question
Q1
What is the concentration of a solution if 5 g of NaOH is dissolved in 250 mL of water? (2020)
  1. 0.5 M
  2. 1 M
  3. 0.2 M
  4. 0.1 M

Questions & Step-by-step Solutions

1 item
Q
Q: What is the concentration of a solution if 5 g of NaOH is dissolved in 250 mL of water? (2020)
Solution: Moles of NaOH = 5 g / 40 g/mol = 0.125 mol. Molarity = 0.125 mol / 0.25 L = 0.5 M.
Steps: 0

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