对于一非恒容均相化学反应<img src="https://nimg.ppkao.com/2019-05/xiaotian/2019050815450242397.jpg?sign=7c3677bf8ec733e881f37d354afd0d1e&t=62d59bd0" />,反应产物B的化学反应速率r<sub>B</sub>=()。
A、
B、
C、
D、
A、
B、
C、
D、
A、A.<img src="https://img.ppkao.com/2019-04/xiaotian/2019042817170370385.jpg" />
B.<img src="https://img.ppkao.com/2019-04/xiaotian/2019042817170765762.jpg" />
C.<img src="https://img.ppkao.com/2019-04/xiaotian/2019042817171081633.jpg" />
D.<img src="https://img.ppkao.com/2019-04/xiaotian/2019042817171338858.jpg" />
A、<img src="https://nimg.ppkao.com/2019-04/xiaotian/2019042817111845476.jpg?sign=6f5c484c1b4f289ab7245a21c63f7017&t=62d568f6" /> B、<img src="https://nimg.ppkao.com/2019-04/xiaotian/2019042817115161464.jpg?sign=848eb7d340e1bdff6b908ac10be1f490&t=62d568f6" /> C、<img src="https://nimg.ppkao.com/2019-04/xiaotian/2019042817121936416.jpg?sign=15c68b658435c4f0547e2f641b07a14a&t=62d568f6" /> D、<img src="https://nimg.ppkao.com/2019-04/xiaotian/2019042817122217267.jpg?sign=809931768535403c86b7e3b46abe62e4&t=62d568f6" />
A、<img src="https://nimg.ppkao.com/2019-05/xiaotian/2019050815425134566.jpg?sign=4aa30d1ad85e99e218f45550845e775e&t=62d59edf" /> B、<img src="https://nimg.ppkao.com/2019-05/xiaotian/2019050815425339733.jpg?sign=1bcbc68a5b751e8ec015011d4d3705a3&t=62d59edf" /> C、<img src="https://nimg.ppkao.com/2019-05/xiaotian/2019050815425788811.jpg?sign=29615b7ae502db4ee1171e667e871ce0&t=62d59edf" /> D、<img src="https://nimg.ppkao.com/2019-05/xiaotian/2019050815430169689.jpg?sign=4c758490b0f0f801ab70f9ec786e8a04&t=62d59edf" />