answered Jun 30, 2017 by Rohit Singh (64.1k points) Answer is (molecular weight)/6. Soft tissue tumors suspected of having muscle differentiation (cross-striations are especially well preserved) may be fixed for four hours. Sodium dichromate is similar to potassium dichromate, especially in its reactivity and physical features, however, the sodium salt is more soluble in water and its equivalent weight is less. Get a Call from us. When potassium permanganate is titrated against ferrous ammonium sulphate, the equivalent weight of potassium permanganate is 1:39 2.1k LIKES. Potassium Dichromate Lab Grade pure Laboratory Chemicals supplier and Exporter. The equivalent weight of K 2 ... Potassium Dichromate, Preparation and Properties and Uses. SKU: RXSOL-60-6112-500 . One equivalent of oxygen is 16/2 or 8 grams which means that the consumption of 6.13 (49/8) g of potassium dichromate corresponds to a chemical oxygen "demand' of 1 g in your sample aliquot. Potassium Dichromate Chemical Formula: K2Cr2O7 Formula Weight : 294.18 Equivalent Weight : 49.03 (Molar = 6 Normal) CAS No.7778-50-9 MDL number MFCD00011367. Can you explain this answer? Hence, equivalent weight of K2Cr2O7 = (Molecular weight)/6 +1 vote . K2Cr2O7 :- Potassium dichromate Potassium dichromate in acidic medium is a strong oxidizer. This problem has been solved! Get MSDS. = 49.03 g/eq. as we can see from the equation, dichromate has taken electrons from some other element which i have not mentioned in this equation. NACRES NB.24 In acidic medium, dichromate ion oxidises ferrous ion to ferric ion. In terms of reactivity and appearance, sodium dichromate and potassium dichromate are very similar. It is a strong oxidising agent and is highly corrosive. Standardization of 0.1 N Potassium Dichromate Solution . For Fe2+ the equivalent weight is (55.847 g/mole)(1 mole/eq.) in dichromate, ON is +6. It means it gains electrons during redox reaction. Potassium dichromate ACS reagent, ≥99.0% Synonym: Potassium bichromate CAS Number 7778-50-9. Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Component CAS-No Weight % Potassium dichromate 7778-50-9 >95 4. Gross necropsy was performed on all animals and organ weights recorded. Animals were observed for 14 days. Potassium Dichromate is an orange to red colored, crystalline, inorganic compound that emits toxic chromium fumes upon heating. Immediate medical attention is required. Potassium Dichromate. | EduRev Chemistry Question is disucussed on EduRev Study Group by 111 Chemistry Students. # BE BRAINLY. The sodium salt is, however, around twenty times more soluble in water than the potassium salt (49 g/L at 0 °C) and its equivalent weight is also lower, which is often desirable. and on rhs its +3. Grams Get Technical Bulletin. PubChem Substance ID 329752023. so its equivalent weight is molecular weight/3 ; At a temperature of 0 o C, the solubility of this compound in water corresponds to 49 grams per litre. Requires between 8 and 12 hours for decalcification and optimal cytologic preservation. = 55.847 g/eq. In this experiment you will use a standard solution of potassium dichromate (K 2 Cr 2 O 7) to determine the percent by weight of iron (as Fe 2+) in an unknown solid. Normality=(mass of solute×1000)÷(gram euivalent mass of solute×volume of solution in ml.). How to buy. Equivalent Weight: 49.03 (Molar = 6 Normal) CAS No. Gram molar mass of KCr2 O7=294.18 gram . Convert grams Potassium Dichromate to moles or moles Potassium Dichromate to grams. See the answer. 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