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Compute the pH of a solution made by mixing 67 grams of sodium acetate, NaCH3COO, to 37 g of acetic acid, CH3COOH, and dissolving in H2O to form 300. mL of solution ?
Determine the number of moles of potassium nitrate added to the container in A container of mass 25.00 g is found to have a total mass of 45.22 g when a sample of potassium nitrate is mixed.
A sample of gas weighs 4.542 grams and has a volume of 870.0 mL at 945.0 torr and 39.0 degrees Celsius. What is its molar mass
Camphor (C10H16O) is a natural compound found in the wood of camphor laurel, an evergreen native to southeast Asia. Borneol (C10H18O) and isoborneol (C10H18O) are similar to camphor
How to calculate the ratio of the masses of the buffer components required to make the buffer? m(NH3) / m(NH4Cl) ph= 9.00
What is the empirical formula of a compound which contains only colbalt and oxygen. if an 8.29 grams sample of the compound contains
When 5.454 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 17.11 grams of CO2 and 7.006 grams of H2O were produced.
Write the chemical reaction equation and equalibrium solubility product constant expression associated with the solubility of Ag2CrO4
Can some explain clearly how to determine the valence electrons of transitional metals and also their ions. for ex Mo, Mo2+, Ag, Pb. Pb2+. Confuse about what makes up their outer shell.
Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette smoke. Pyridine ionizes in water as follows: C5H5N + H2O C5H5NH+ + OH- The pKb of pyridine is 8.75. What is the pH of a 0..
also why are the energy minimization bond angles not the same as the ideal bond angles?
What is the purpose of Sodium phosphate dibasic when used to make ethanol via fermentation?
What are the concentrations of OH- and H in a 0.00075 M solution of Ba(OH)2 at 25 °C? Assume complete dissociation.
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted, using the bond energy data provided below
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