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Oxalic acid dehydrate, H2C2O4. 2H2O (formula weight = 126.1 g/mol) is sometimes used to standardize NaOH solutions. How many grams of this acid will be required to titrate 45.0 mL of 0.18 M NaOH solution? H2C2O4 + 2NaOH > 2 Na^+ + C2O4^-2 + 2 H2O
What is the osmotic pressure of a solution made from dissolving 90.0 g of glucose, rm C_6H_{12}O_6, in 650 mL of water at 14.0{^circ}C.
If you dissolve 4 aspirin tablets in a 340mL glass of water, what is the pH of the solution and the percent dissociation?
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
An athlete wants to acquire red blood cells from a donor with the same blood type. Taking into consideration that blood is composed of three components, plama, red blood cells, and leukocytes. what instrument have used in our lab experiments that ..
What is the molar mass of the unknown compound if the solution has a freezing point of -5 oC?
When Methane is burned with oxygen, the products are carbon dioxide and water. If you produce 9gms of waterand 11grams of carbon dioxide from 4gms of methane only 16gms of oxygen were needed.
Write the reaction for the hydrolysis of propionyl propionate (an ester) -- that is, the reaction of this ester with water, yielding a carboxylic acid and an alcohol.
How many distinct locations are there for a double bond in a five-carbon linear chain. What is the correct name for the compound, CH3CH2CH=CHCH2CH=CHCH3
Molecular formula of a compound and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
what is the maximum mass of product (oil of wintergreen) that could be formed? The density of methanol is 0.791 g/mL.Give your answer in grams with 3 significant figures.
An electrochemical cell is constructed with a zinc metal anode in contact with a 0.052 M solution of zinc(II) nitrate and a silver cathode in contact with a 0.0042 M solution of silver(I) nitrate. What is the emf of this cell at 5°C
For fully protonated (99%) benzoic acid in solution write the henderson-hassalbach equation and calculate the pH.
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