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Problem- An aqueous solution contains 0.147 M ascorbic acid (H2C6H6O6) and 0.103 M hydrochloric acid. Calculate the ascorbate (C6H6O6) 2- ion concentration in this solution.
The question is highlighting that Ascorbic Acid can lose both its Hydrogens
Your answer must be supported by illustrations, Please answer with work shown to receive points:
1.36 grams of pure anhydrous sodium carbonate was dissolved in distilled water and made up to 250.0mL. 20.00mL of this solution required a 19.60mL liter of a hydrochloric acid solution for complete neutralization. Compute the concentration of the ..
What fragmentation would give rise to the peak at m/z 45 in the Mass Spectrum. Loss of hydroxyl group.
the LDH molecule always contains 4 polypeptide subunits and each subunit can be either a H (heart) or a M (muscle) subunit. how many isozymes are possible
The density of air at ordinary atmospheric pressure and 25 degrees C is 1.19 g/L. What is the mass in kilograms of the air in a room that measures 8.2 m x 13.5 m x 2.75 m
It is also noted that NO3 is a reaction intermediate. Suggest a plausible reaction mechanism
why should the glassware not be flame-dried in the vicinity ofdiethyl ether the solvent used for preparing the grignard
How much work is done reversibly compressing one mole of an ideal gas from a starting volume of 1L to a final volume of 250mL at a constant temperature of 293K? What is the change in entropy?
A bottle containing 1 kg of water (18.01g/mol) is boiled until evaporation is complete. Find w, q, U, H for the process. Hvap = 40.6kJ/mol. My question is when we find the w what temperature we use (room temperature or 100 C)
How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7g Fe? Fe2O3(s) + 3CO(g) -> 3CO2(g) + 2Fe(s)
Problem- The ionization energy for lithium is 520 kJ/mol. The electron affinity for fluorine is -328 kJ/mol. Use these values and Hess's law to calculate the enthalpy for the following reaction per mole of reagent: Li(g)+F(g)?Li+(g)+F?(g), ?H=?
When performing extractions it is often better to do multiple extractions rather than one large volume extraction. suppose you have 100mg of a sample dissolved in 0.6ml of water.
The density of the unknown solution is 1.232g/mL. Calculate the specific gravity of the solution.
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