3Ta+21HF+5HNO₃→5NO+3H₂[TaF₇]+10H₂O
Ta⁰ - 5e→Ta⁵
N⁵ +3e→N²
Глицерат натрия и водород
<span><span>K</span><span>H</span></span><span> + </span><span><span>H</span><span>2</span><span>O</span></span><span> = </span><span>K</span><span>O</span><span>H</span><span> + </span><span>H</span><span>2</span>↑