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A solution contains .018 mol each of I-, Br-, and Cl-. When the solution is mixed with 200 ml of .24 M AgNo3, what is the [Ag+]? Assume no volume change.
AgI: Ksp= 1.5*10^-16AgBr: Ksp= 5.0*10^-13AgCl: Ksp= 1.6*10^-10
The density of a sodium sulfate solution is 1.07 g/cm3. The solution is 8.00% sodium sulfate by mass. How many cm3 of the solution are needed to supply 4.28 g of sodium sulfate?
Calculate the pH of a buffer that is 0.150 M in NaHCO3 and 0.190 M in Na2CO3.
What is the pH of a sodium acetate solution prepared by adding 0.820 grams of sodium acetate to 100.0 ml of water at 25.0 oC? The Ka at 25.0 oC for acetic acid is 1.8 × 10-5.
What is the fate of acetyl CoA in the mitochondria in the presence of the following? (a) high ADP levels? (b) high NADH/NAD+ ratio? (c) low levels of oxaloacetate
Henry's law predicts a simple relationship between solubility and pressure. If the solubility of oxygen gas
The delta G for the reaction is 2.60 kj/mol at 25 degrees C. The initial pressures are P H2 = 3.34 atm, P I2 = 0.024 atm and P HI = 0.24 atm.
What is the hybirdization of a centeral atom that has four sigma bonds and has no pairs of electrons?
When 6.6 g solid NaOH is dissolved in 30.0 g of water in a coffee cup calorimeter, the temperature rises from 25.5 to 36.1. How much heat is produced by the dissolution process? the specific heat is 4.184
Tungsten (W) metal, which is used to make incandescent bulb filaments is produced by the reaction
Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol.
A solution of salt (molar mass 90 g mol -1) in water has a density of 1.29 g/mL. The concentration of the salt is 35% by mass.
Assuming that the gas is at standard temperature and pressure there is 1.00 mole per 22.4 L of volume how many argon atoms are there present in this sign
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