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24-06-2020
Chemistry

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What is the mass of 0.25mol of NO3- ions/nitrate ions

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24-06-2020

Answer:

15.5 grams

Explanation:

molar mass of NO3=62g/moles

number of moles=0.25mol

mass in gram= ?

as we know that

number of moles=[tex]\frac{mass in gram}{molar mass}[/tex]

number of moles×molar mass=mass in grams

mass in grams=62g/moles×0.25moles

mass in grams=15.5grams

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