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Q: what is the oxidation number of the sulfur atom in H2SO4?
A:
Q: What is the oxidation state of an individual sulfur atom in MgSO4 ?
A: Oxidation state of Magnesium is +2Oxidation state of Oxygen is -2
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Q: Suppose you want to produce 2.00 L of CO2 at STP using the reaction in #1. What mass of sodium…
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Q: What is the oxidation number for C in MgC2O4 A. -4 B. +2 C. +4 d. +3
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A: Ans is 40.36L
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A: Generally, impurities are removed from the making of the precipitate.
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Q: How much coulombs will it take to plate out 15 g of Fe from a solution of FeCl2? a. 51,700.92…
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What is the molar ratio between Fe and H2O?
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- The oxidation number of C in C₂O₄²⁻ is...?Suppose you want to produce 2.00 L of CO2 at STP using the reaction in #1. What mass of sodiumbicarbonate should you use?___NaHCO3 → ___Na2CO3 + ___H2O + ___CO2Write the chemical equation that describes the dissolution of alum in water and describe how many moles of aluminum and sulfate ions are produced when 1 mole of alum dissolves in sufficient water?
- In the following reaction, what is the molar relationship between hematite, Fe2O3 and carbon dioxide CO2?The concentration of nitrate in an aquifer is 20 mg / L and its volume is 10 million liters. What ammonia mass would have produced this nitrate mass under oxidation?The determination of the impurity of sulfates in potassium chloride, potassium iodide is carried out by reaction with: A) Ammonium oxalate B) Silver nitrate C) Barium chloride D) Lime water
- A fuel cell car is powered by electrons harvested from the flameless, low-temperaturereaction2 H2 + O2 → 2 H2OHow many liters of oxygen is needed to reactwith 42.0 L of hydrogen at STP?Determine the oxidation state of all the elements in HPO42-.Consider the smelting of iron ore which consists of Fe2O3 and Fe3O4. If Fe is produced in the pig iron, and FeO is produced in the slag, what are the chemical equations involved?