Westonci.ca is the premier destination for reliable answers to your questions, provided by a community of experts. Experience the ease of finding accurate answers to your questions from a knowledgeable community of professionals. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

Which of the following is a correctly balanced equation? A. 2Cu + O2 --> 2CuO B. Mg + O2 --> MgO2 C. 3kCl + HNO3 --> 3HCl + KNO3 D. CaCO3 --> CaO + CO3