Question

how many moles are present in 100cm³ of potassium nitrate solution with a concentration of 0.05 mol/dm³

Answer 1

Answer:

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Explanation:

You can view more details on each measurement unit: molecular weight of Potassium Nitrate or grams The molecular formula for Potassium Nitrate is KNO3. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Potassium Nitrate, or 101.1032 grams.

Concentration is measured in moles per cubic decimetre: mol dm–3. To find the concentration of a solution, divide the number of moles by the volume in dm3. If the volume is in cm3, divide the volume by 1000 first to convert it into dm3