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A drop of NaOH titrant adheres to the side of the buret between the initial and final readings for the titration.As a result of the `clean glass`error, will the molar concentration of the NaOH solution be reported as too high or too low? Explain.
When a sample of helium gas is charged with electricity, what causes the bright-line spectrum that is observed
How long must a constant current of 50.0 A be passed through an electrolytic cell containing aqueous Cu2+ ions to produce 3.00 moles of copper metal
Compute the pH of a solution made by mixing 67 grams of sodium acetate, NaCH 3 COO, to 37 g of acetic acid, CH 3 COOH, and dissolving in H 2 O to form 300. mL of solution ?
a gas mixture with a total pressure of 745 mmHg contains each of the following gases at the indicated partial pressures: CO2, 265 mmHg; Ar, 121 mmHg; and )2, 168 mmHg. The mixture also contains helium gas. what is the partial pressure of the heliu..
What volume (in mL) of 0.583 M solution of sodium chloride can be made from 48.3 mL of a 1.88 M solution? Assume the volumes are additive
Given K=6.45x10^5 for 2NO(g)+O2(g)=2NO(g) at 500K, what concentration of oxygen would be needed to maintain equilibrium in a system where NO and NO2 are known to be at equal concentrations.
Hydrocarbon mixtures are used as fuels. What mass of CO2 gas is produced by the combustion of 189.2 g of a mixture that is 57.6 % CH4 and 42.4% C3H8 by mass
An aqueous solution is made by dissolving 24.5 grams of manganese(II) chloride in 466 grams of water.
The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
What is the percent yield of a reaction in which 244 g phosphorus trichloride reacts with excess water to form 144 g HCl and aqueous phosphorus acid (H3PO3)?
Which is most acidic butanoic acid (marvin structure), bromobutanoic acid (marvin structure), hydroxybutanoic acid (marvin structure) and chlorobutanoic acid(marvin structure)
Calculate the heat required to convert 58.0 g of C2Cl3F3 from a liquid at 14.90 degrees C to a gas at 90.75 degrees C.
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