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5ocm³ of hydrogen peroxide, which has a concentration of 2.0mol/dm³ is decomposed H₂O₂=2H₂O+O₂ How many moles of hydrogen peroxide are there in 50 cm³ of solution containing 2.0mol
Accepted Answer
To find the moles of hydrogen peroxide, we can use the following formula:
moles = concentration × volume
First, convert the volume from cm³ to dm³:
50 cm³ = 0.05 dm³
Now, plug the values into the formula:
moles = 2.0 mol/dm³ × 0.05 dm³ = 0.1 moles
Therefore, there are 0.1 moles of hydrogen peroxide in 50 cm³ of the solution.
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