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15 grams of NaCl is dissolved completely in a beaker containing 200mL of water. What is the Na+ concentration in moles/liter in the final solution?
natural gas can be represented by ch4 methane and gasoline can be represented by c8h18 octane. write the chemical
a student had to prepare 250 ml of a silver nitrate solution of known molality. unfortunately the container did not fit
The concentration of CO2 in a soft drink bottled with a partial pressure of CO2 of 6.5 atm over the liquid at 29°C is 2.2 × 10-1 M. Determine the Henry's law constant for CO2 at this temperature.
A sample of iron was dissolved iin hydrochloric acid. The liberated hydrogen was collected by displacement of water. The hydrogen occupied 262 mL at 26 c.
Explain why ice often forms on the valve of a tank of compressed gas (high pressure) when it is opened to the atmosphere and the gas escapes. Where does the H2O come from
Problem- If 3.49 moles of an ideal gas have a pressure of 8.56 atm, and a volume of 64.53 L, what is the temperature of the sample
Calculate the pH at the equivalence point in titrating 0.120 M solutions of each of the following with 7.0×10-2 M NaOH. a) lactic acid (CH_3CH(OH)COOH)
nbspit is given that the molar mass of a solvent 64.9 gmol normal boiling point 139.6 oc. the boiling point elevation
It is observed that the sidewall slope in an etch process becomes more sloped as the temperature is reduced. Why?
What is the density of a block which mass is 50.0 g and is only submerged 40% in bromoform which has a density of 2.890 g/cm^3
What is the major product when p-fluoroanisole reacts with sulfur trioxide and sulfuric acid. If applicable, minimize formal charges via expanded octets
CHEM 2813: A drinking water sample collected from Elliott Hall has [H3O+]= 8.5 x 10-5 mol/L. Calculate the pH. 123 mL of a 1.1 mol/L glucose solution is diluted to 500.0 mL. Calculate the molarity of the diluted solution.
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