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2.46 g of sodium hydroxide (molar mass =...

2.46 g of sodium hydroxide (molar mass = 40) are dissolved in water and the solution is made to 100 `cm^(3)` in a volumetric flask. Calculate the molarity of the solution

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To calculate the molarity of the sodium hydroxide (NaOH) solution, follow these steps: ### Step 1: Calculate the number of moles of NaOH The number of moles can be calculated using the formula: \[ \text{Number of moles} = \frac{\text{Given weight (g)}}{\text{Molar mass (g/mol)}} \] ...
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Knowledge Check

  • A sample of NaOH weighing 0.38 g is dissolved in water and the solution is made to 50.0 mL in a volumetric flask. What is the molarity of the resulting solution ?

    A
    0.29
    B
    0.19
    C
    0.39
    D
    0.9
  • 5.0 g of sodium hydroxide (molar mass 40 g mol) is dissolved in little quantity of water and the solution is diluted upto 100 mL. What is the molarity of the resulting solution?

    A
    `0.1" mol dm"^-3`
    B
    `1.0" mol dm"^-3`
    C
    `0.125" mol dm"^-3`
    D
    ` 1.25" mol dm"^-3`
  • 5.0 g of sodium hydroxide ( Molar mass 40 g mol^(-1) ) is dissolved in litre quantiyu of water and the solution is diluted up to 100 mL what is the molarity of the resulting solutions ?

    A
    `0.1 mol dm^(3)`
    B
    `1.0 mol dm ^(-3)`
    C
    `0.125 mol dm ^(-3)`
    D
    ` 1.25 mol dm`
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