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Express the concentration of a 0.0850 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
Assume that sucrose is a molecular solid and does not ionize when it dissolves in water. Kf values are given here.
Calculate the density of hydrogen bromide gas (in g/L) at 733 mm Hg and 47 degrees Celsius
A 10.3 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
Gaseous ammonia (NH3, 2.00 L, 703.8 torr, 23.8C) reacts with aqueous sulfuric acid (H2SO4, 0.500M, 175mL) to produce solid ammonium sulfate. 4.8275 g of product is isolated.
Given that the 50.0 mL of 0.12 M weak acid is titrated with 0.20 M NaOH and Ka = 1.8x10-5, calculate the predicted volume of base (Vb) needed to be added to achieve a pH of 7.00.
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 38.0 mL of 0.480 M Cd(NO_3)_2 solution
How many kilograms of sodium carbonate must be added to neutralize 2.01×103 kg of sulfuric acid solution?
A solution contains 4.56 g of KCl in 175 mL of solution. if the density of the KCl solution is 1.12 g/mL, what are the mass percent (m/m) and moarity (M) for the KCl solution
An equilibrium mixture of NO(g), O2(g) and NO2(g) is allowed to expand from 1.0 to 2.0 L at a constant temperature. Given that 2 NO(g) + O2(g) 2 NO2(g) which of the following statements is correct
carbon monoxide and 10% remains undurned. Calculate the compostion of the exhaust gas on a wet basis.
How much heat is required in kJ to melt 60.7 g of manganese at its melting point? The heat of fusion of manganese is 12.9 kJ/mol
Calculate the half cell potential for the reduction of Pb(II) to metallic Pb(I) in a saturated Lead(II) sulfate solution
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