Question: what is the empirical formula for k2cr2o7?
Answer: SIAL Potassium dichromate … Potassium bichromate Empirical Formula: Cr2K2O7 Formula Weight: 294.18 Linear Formula: K2Cr2O7 MDL Number: MFCD00011367 Purity: ≥99.0% Melting Point: 398 °C(lit.)