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A solution with weight percent of sodium hydroxide of 6% is prepared by adding the following mass of water to 200 grams of that solution with a weight percent of NaOH of 30%. Find the amount of water to be added?
Does adding boiled, deionized water to the titrating flask to wash the wall of the Erlenmeyer flask and the buret tip affect the Ksp
2.A) Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constant for this reaction using the ΔGf° values shown here.2.B) Carbonic acid then ionizes in water (Ka1 = 4.5× 10-7). Ignoring Ka2, estimate K for ..
A solid sample weighing 0.2736 g of ethylammonium chloride appreciably contaminated with ammonium chloride (but no other contaminants) required 34.20 mL of 0.08177 M NaOH for complete titration. Find the weight percent of each component in the mix..
Subsequent to 50.0 min, 32.0% of a compound has decomposed. Explain what is the half-life of this reaction assuming first-order kinetics
A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
What do you view as the most critical or important changes in society with the use of the technologies today? this paper is for a class in ethics and technology.. 1000 words
Problem- Predict the ideal solubility (in terms of mole fraction) of lead in bismuth at 280 oC given that its melting point is 327 oC and its enthalpy of fusion is 5.2 kJ/mol. At this ideal solubility, what mass of lead dissolves in 1 kg of bismut..
Sketch the line-bond structure for each molecule or polyatomic ion of the following. Designate the formal charges where applicable.
What is the theoretical yield (in grams) of the solid product when 8.02 g of iron(III) nitrate reacts in solution
Consider the solution reaction AlCl3 + 3AgNO3 -> 3AgCl + Al(NO3)3. What volume of 0.100 M AlCl3 will exactly react with 55.0 mL of 0.162 M AgNO3?
what is the significance of a limiting reactant? discuss how it is found and what it tells us about the amount of
Calculate the moles of N2 that will be in 224 L at STP and the partial pressure of O2 in Pa for air at 2.50 atm pressure
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