Question

將w g氯酸鉀與1g二氧化錳混合共熱后，待不再產(chǎn)生氧氣時(shí)為止，反應(yīng)后剩余固體的質(zhì)量為m g，則生成氧氣的質(zhì)量為

1. A.
   (w+1+m)g
2. B.
   (w-1-m)g
3. C.
   (w+1-m)g
4. D.
   (w+m-1)g

Answer 1

C