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chemical equations, reactions, and bonding in relation to th

18. when an atom of iron loses all of its 4s electrons and one of its 3d electrons, what is its charge?
a. 5+
b. 3+
c. 7+
d. 52

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .