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20g de cálcio adicionados a 80g de bromo produziram 100g de brometo de cálcio. Numa outra experiência, 30g de cálcio foram adicionados a X de bromo e Y de brometo de cálcio produzido nessa experiência? os valores de X e Y são?
a) 40g e 120g
b) 150g e 120g
c) 120g e 150g
d) 20g e 80g
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20g de cálcio adicionados a 80g de bromo produziram 100g de brometo de cálcio. Numa outra experiênci...
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