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Problem- What mass of sodium benzoate should be added to 160.0mL of a 0.13M benzoic acid solution in order to obtain a buffer with a pH of 4.30
If possible just a brief explanation how you got the answer?
calculate the fraction of atom sites that are vacant for lead atits melting temperature of 327oc 600k. assume anenergy
How high could a 2800lb car be lifted by a gallon of gasoline given that the heat of combustion is 46.9kJ/g. The cylinder temperature is 2200K and the exit temperature is 1200K. Density of gasoline is 0.80 g/cm3.
What is the molarity of the resulting solution when 24.485 g of Mn(ClO4)2 · 6 H2O are added to 350.0 mL of water? I took 24.485g and divided it by 361.932 to get moles
According to the mechanism below, what is the correct expression for the rate of consumption of A. In the mechanism, M is a molecule that collides with A and A* is a highly-energized form of A.
Lead ions can be removed from solution by precipitation with sulfate ions. Suppose that a solution contains lead(II) nitrate. Write complete ionic equation to show the reaction of aqueous lead(II) nitrate with aqueous potassium sulfate to form sol..
Question- A water with a calcium concentration of (Ca2+) = 80mg/L is in contact with the mineral fluorite (CaF2). Calculate the solubility of fluorite at a temperature T=25°C. pKs of fluorite is 10.96 at 25°C.
A 50.0 mL aqueous solution containing 1.08g of a blood plasma protein (a molecular compoud) was found to have an osmotic pressure of 5.85 mmHg at 25degreesC. What is the molar mass
At the same temperature, rank the following substances in the order of increasing average kinetic energy: CO2, He, H2, CH4.
Two spectral lines occur at 576.8217 nm and 577.1432 nm. If a grating monochromator has a reciprocal linear dispersion, D^-1, of 2.4 nm/mm, what is the maximum slit width, in mm, needed to achieve baseline seperation.
Calculate the number of carbon atoms in 0.75 L of acetone (CH3COCH3). (density = 1.3 g/mL and boiling point = 48.5 degrees Celsius)
A beaker contains 250 mL of .0150 M silver ion. To this beaker is added 250 mL of .300 M bromide ion. What is the concentration of Ag+ in the final solution. Ksp for AgBr = 5.0 x 10^-13
Determine the total concentration (in mol/L) of Cl- ions in a solution formed from the reaction of 500mL of 1.0M barium hydroxide Ba(OH)2 with 182mL of 1.51M hydrochloric acid HCl
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