Which of the following abides by the principle of mass conservation according to the balanced reaction 4 K + O2 → 2 K2O?
A) 39.0g K + 16.0g O2 → 94.0g K2O
B) 156.0 g K + 24.0g O2 → 188.0g K2O
C) 156.0g K + 32.0g O2 → 188.0g K2O
D) 78.0g K + 32.0g O2 → 110.0g K2O
Correct Answer:
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