1.

KF combines with HF to form KHF_(2) . The compound contains the species

Answer»

` K_(+).F^(-) and H^(+)`
`K^(+), F^(-) and HF`
`K^(+) and [HF_(2)]^(-)`
`[KHF]^(+) and F_(2)` .

ANSWER :C


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