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How would increasing the molarity of the NaOH solution from 0.5M to 1.0M affect the number of drops required for the observed color change to occur
What is the molar solubility of Mns, in grams per liter, in a buffer solution that is 0.110 M HC2H3O2 -0.505 M NaC2H3O2? For Mns
Make a new solution with a total volume of 10.0 mL and How many moles are contained in 500.0 mL of solution
identify the type of reaction..Barium chloride + sulfuric acid ---> Barium sulfate (s) + hyrdochloric acid
Calculate the molar concentration of illinic acid and of its conjugate base illinate ion (in moles/L; M) in a 3 M illinate buffer at pH 7.5. The pKa of illinic acid is 6.7.
We recently did a lab/demo using the NMR to observe Na ions in sodium complexes in our Inorganic Class. I understand most of the post lab questions, but there are a few that still have me stumped.
sulfur dioxide was allowed to effuse through a small opening under constant pressure conditions. It required 179 s for 1.00 L of this gas to effuse. Calculate the effusion time of arsine (AsH3) under identical experimental conditions
Calculate the volume of ammonia required to bring the pH to 3.00 and to 8.00. Kb (NH3) = 1.8 x 10^-5.
Considering given equation as P4(s) + 5 O2(g) P4O10(s) where ΔH = -3013 kJ/mol you just need to compute the heat evolved when 436 grams of white Phosphorous (P4)burns in air according to the given equation as above.
The individual standard electrode potentials do not indicate anything about tendency to gain electrons. The cell potential of the entire cell does.
Given a barometric pressure of 731.0mmHg , calculate the pressure of gas sample (b) as indicated by the manometer.
What is the value of Keq for the reaction 4 HCl(g) + O2(g) reverse reaction arrow 2 Cl2(g) + 2 H2O(g)?
Write a balanced reaction for the complete combustion of ethanol (C2H5OH) in oxygen, using the smallest integer coefficients.
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