If 1.2 kilograms of rust form on a bridge in five days what should be the rate of reaction in grams per hour?

If 1.2 kilograms of rust form on a bridge in five days what should be the rate of reaction in grams per hour?
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1 Answer

Answer :

First, convert the 'given' units to grams and hours.1.2kg x 1000g/kg = 1200 gramsThere are 24 hours per day, so 5 x 24 = 120hrsThen1200g / 120hrs = 10 grams per hour.
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