October 2018 1 58 Report
hai semua. yg pandai kimia bantu saya ya ! yg mau bantu aku doain masuk surga deh !Cu yg massax 6,4 gram direaksikan dengan 10 gram S membentuk CuS.
Cu + S ➡ CuS
bila semua S habis bereaksi dengan CuS yg dihasilkan 9,2 gr tentukan :
a. massa S yg terdpt dlm senyawa CuS
b. massa yg tdk bereaksi
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