给你个化学式,求一个元素的化合价~块进,急的!
一种化学药物的化学式为Na2FPO3已知F为-1价,则P元素的化合价为——?
人气：478 ℃ 时间：2019-08-17 02:05:47
解答
Na2FPO3
（+1）x2+(-1)+(-2)x3=+5
根据正负化合价代数和等于零.那P元素的化合价为——？（+1）x2+(-1)+(-2)x3+5 =0P元素的化合价为+5
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