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Titration of a 360 mg sample of synthesized aspirin with 0.100 M NaOH solution needed 20.30mL. Explain what is the EMM of the sample and what is the % ASA?
Assuming that the volumes are additive, what is the concentration of KBr in a solution prepared by mixing 0.246 L of 0.081 M KBr with 0.600 L of 0.055 M KBr
When carbon dioxide is bubbled through a clear calcium hydroxide solution, the solution appears milky. write an equation for the reaction and explain how this reaction illustrates that CO2 is an acidic oxide. Remember to add the states of all reac..
While chemically treated, all the fluorine was converted to CaF2 (molar mass = 78.1 g/mol). The mass of CaF2 obtained was 12.1 g. Define the mass of methyl fluoro acetate in the original mixture.
1. Consider a process involving 1 mole of an ideal gas that takes place by the following pathway, at a constant temperature of 25oC: P1 = 2.5 atm → P2 = 0.25 atm → P3 = 2.5 atm Both steps occur irreversibly.
After filtering off this precipitate, the pH is adjusted to 8 and H2S is again added; no precipitate forms. No precipitate forms upon addition of (NH4)2HPO4. The remaining solution shows a yellow color in a flame test. Based on these observations,..
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
If the pressure of a gas is 39.18 atm in a piston, what is the final pressure, in atm, if the volume of the piston is multiplied by 4 at a constant temperature?
determine the renal extraction ratio for CHF patients it CHF reduces renal function by 1/2 and state and give explanation which is the more abundant isotopic form of copper.
Which aqueous solution will have the highest total number of moles of ions in the solution. The answer is 100mL 3M calcium nitrate. Why is it not 100mL 4M glucose (C6H12O6), 100mL 1M aluminum fluoride, or 100 mL 2M calcium sulfide
A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each photon to the result
What are the favored geometrical arrangements for ABn molecules for which the A atom has 2,3,4,5 and 6 pairs of electrons in its valence shell
a 145ml of beaker with ch3cooh buffer with a ph of 5.000 is sitting on a bench top. the total molarity of acid and
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