# chemistry

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Solid sodium nitrate can be decomposed to solid sodium nitrite and
oxygen gas. If the percentage yield for the reaction is 80.4%, calculate the grams of sodium nitrite that will result from the decomposition of 955grams of sodium nitrate.
2 NaNO3 ¨ 2 NaNO2 + O2

• chemistry -

If the reaction went to completion, the ratio of mass of NaNO2 product to NaNO3 reactant would be (23+14+32)/(23+14+48) = 69/85
The amount of NaNO2 formed would therefore be (69/85)(955) = 775 g

Take 80.4% of that.

• chemistry -

607.02

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