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If 25.0 ml of .451 M NaOH solution is titrated with .253 M H2SO4, identify the principal components (ions, molecules) in the flask at the endpoint besides solvent water or indicator.
How many water molecules are in a block of ice containing 0.750 mol of water (H2O)
From the understanding of colligative properties, how would I design an experiment to measure the freezing point of a material which freezed at -2'c using the same apparatus used in the laboratory and any chemical reagents commonly found in a chemi..
A special gas mixture used in bacterial growth chambers contains 1.00% by weight CO2 and 99.0% O2 . What is the partial pressure (in atmospheres) of each gas at a total pressure of 0.966atm
acetylene gas c2hs is produced as a result of the reaction cac2s2h2ol-gt c2h2gcaoh2aq. if 27g of cac2 are consumed in
What would happen if you accidentally used 6M HCl aqueous solution instead of saturated Na2CO3 aqueous solution when extracting caffeine from tea bags.
What mass of solid potassium nitrite would need to be dissolved in 500. mL of 0.40 M HNO2 to make 500. mL of a NO2?/HNO2 buffer solution that has a pH = 3.25? Ka of HNO2 = 7.1 x 10?4
Determine whether the oxidation of FeO(s) to Fe2O3(s) occurs spontaneously at 298K according to the reaction below by calculating delta s universal.
When 26.5 grams of a substance absorbs 40.1 J of heat, the temperature of the substance increases from 27.0oC to 68.3oC. What is the specific heat of the substance
How many grams of barium hydroxide must be added to 2.37-L of distilled water to make a saturated solution
A solution of 100 mL of 0.2 M NH3 is titrated with 50 mL of 0.5 M HNO3. What is the pH of the resulting solution? Kb for NH3 is 1.8 × 10-5.
Complete the following reaction, which took place in a separatory funnel, between diphenylamine dissolved in ether and excess 5% HCl.
What is the connection of Ion-Product Expression (Qsp) and the Solubility-Product Constant(Ksp)
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