Which is the correct formula for chromic acid?
Responses
HCr2O7
HCr 2 O 7
H4CrO2
H 4 CrO 2
H2CrO4
H 2 CrO 4
H2Cr2O7
1 answer
H2CrO4
Responses
HCr2O7
HCr 2 O 7
H4CrO2
H 4 CrO 2
H2CrO4
H 2 CrO 4
H2Cr2O7
1 answer