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A reaction of 38.3g of Na and 52.9g of Br2 yeld 60.8g of NaBr what is...

A reaction of 38.3g of Na and 52.9g of Br2 yeld 60.8g of NaBr what is the percentage yeild?

2Na(s) +Br2 (g) =====> 2Na Br(s)

Please help! im not sure im doing the step correctly

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