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26-05-2021
Chemistry

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How many Grams of NO is produced if 12g of O2 is combined with excess ammonia?

How many Grams of NO is produced if 12g of O2 is combined with excess ammonia class=

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26-05-2021

Answer:

9g

Explanation:

moles O2 = mass / Mr = 12 / 2(16.0) = 0.375

ratio O2 : NO = 5:4

moles NO produced = 0.375 * 4/5 = 0.3

mass NO = Mr * mol = (14.0+16.0) * 0.3 = 9g

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