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What is the hydronium-ion concentration in a solution formed by combining 150 mL of 0.10 M NaOH with 50 mL of 0.30 M HCL?
Ba(OH)2(aq) + 2HCl(aq) -> BaCl2(aq) + 2H2O
A) 0.015 MB) 0.10 MC) 0.30 MD) 1.0 x 10^-7 ME) 1.7 x 10^ -13 M
How many molecules are in 22.41 L of an ideal gas at STP? Remember the answer is supposed to be in molecules
What is the pH of an 85 mL solution containing .215 M NaHCO3 and .203 M Na2CO3?
Calculate the amount of heat energy in each of the following: A) calories removed to condense 125g of steam at 100 degrees celsius and to cool the liquid to 15 degrees celsius
Explain the reason why the six atoms that are involved in the peptide bond share a common geometric plane
Determine that how many moles of molecular hydrogen are used per mole of the precatalyst in order to convert it entirely to platinum metal?
What is a significant obstacle when using osmometry to determine molar masses for compounds with very high molar masses? A. The osmotic pressures may be too high to measure.
In a high-altitude city, the normal atmospheric pressure is 619.0 torr. Use the Clausius-Clapeyron equation to estimate the boiling point of water in this city. The heat of vaporization of water is 40.70 kJ/mol.
calculate the potential of a platinum electrode immersed in a solution that is prepared by mixing 25 ml of 0.0832 M V2(SO4)3
Determine the molarity of a solution of the weak acid HCl)2; Ka = 1.10*10^-2 if it has a ph of 1.25.
The air pressure in the tires of an automobile is adjusted to 37 psi in SanDiego, where the air temp is 68F. The air in the tires is at the same temp as the atmosphere
how many grams of H2 are needed to react with an excess of N2 and produce 6,867 grams of NH3? the molar mass H2 is 2.016g and the molar mass NH3 is 17.04g
the alkyl halide used in the reaction is a primary alkyl halide, and why alkylation does not work at all if a tertiary alkyl halide is used.
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