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A 67.0 mL aliquot of a 0.600 M stock solution must be diluted to 0.100 M.
Assuming the volumes are additive, how much water should be added?
An ionic equation has 2H+(aq) on the left side and H2(g) on the right. Are these species spectators? Explain
Calculate The empirical and molecular formula
Calculate the pH of 1.00 L of the buffer 1.00 M CH3COONa/1.00 M CH3COOH before and after the addition of (a) 0.080 mol NaOH, (b) 0.12 mol HCl. (Assume that there is no change in volume.)
Draw the structure of dimethyl sulfoxide. Include any nonbonding electrons on sulfur, and minimize formal charges by allowing sulfur to expand its octet.
what percent of ca3po42 a major component of bone is ca and what mass of ca is present in 1 kg ca3po42? 3.46 how many
Calculate the concentration of C6H5NH3+ in this buffer solution b) Calculate the pH after 4.0 g of NaOH(s) is added to 1.0 L of this solution (neglect volume changes)
A 5.0 ml sample of vinegar was titrated with 7.2 ml of 0.55 M NaOH. if the density of vinegar solution is 1.00g/ml, what is the mass percent of acetic acid present.
methyl alcohol (CH3OH) is made by reacting carbon dioxide with H2. Starting with 2.5g of H2 and 30.0 L of Co, what mass of methyl alcohol could be produced at STP.
Calculate the concentration of iodide ions in a saturated solution of lead(ll) iodide. The solubility product constant of PbI2 is 2.7* 10^-6
The decomposition of carbon disulfide, CS2 to form carbon monosulfide, CS and sulfur is first order with k = 2.8 x 10^-7 / second at 1000 degrees C. CS2 => CS + S determine how many days would be needed before a 1.00 gram sample of CS2 had decompo..
The vapor pressures of pure liquids A and B are 53.2 and 40.3 kPa respectively, at 35o C. The total vapor pressure for a mixture with liquid mole fraction XA = 0.60 is 52.7 kPa. The vapor phase mole fraction is YA = O. 725. The excess molar enthal..
Forecast the products of the following oxides with water Na2O, BaO, CO2, N2O5, P4O10, SO3. State an equation for each of the reactions specify whether the oxides are acidic, basic or amphoteric
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