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World Languages, 24.06.2019 21:40 genyjoannerubiera

Em um acidente, um caminhão carregado de solução aquosa de ácido fosfórico (h3po4) tombou, derramando cerca de 24,5 toneladas dessa solução no asfalto. quantas toneladas de óxido de cálcio (cao) seriam necessárias para reagir totalmente com essa quantidade de ácido? 2 h3po4 + 3 cao → ca3(po4)2 + 3 h2o a. 14t b. 29t c. 42t d. 7t e. 21t

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Em um acidente, um caminhão carregado de solução aquosa de ácido fosfórico (h3po4) tombou, derramand...

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