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If you start out using 10.0 grams of HCO 3 and excess of acetic acid, how many moles of CO 2 can form? How many grams of CO 2 can form?
predict the standard cell potential for the process and whether or not this cell would function as diagrammed (spontaneously) Fe^0(s) + Sn^2+ (aq) -----> Fe 2+ (aq) + Sn^ 0 (s) occuring in the galvanic cell
Use the Ksp values to calculate the molar solubility of each of the following compounds in pure water.
If the mass of an object is 15 grams then determine the relative precision and accuracy for the following sets of measurements
You have two solutions of the same molar concentrations; one contains lactic acid, the other sodium lactate. You want to use these solutions to make a buffer that has a pH of 5.00. Calculate the ratio of lactate and lactic acid required. The pKa o..
To what volume must 558 mL of 13 M Ca(OH)2 solution be diluted to make a 3 M Ca(OH)2 solution?
If 3.93 g of sodium borohydride contains 2.5 × 10^23 H atoms, how many moles of H are present in 36 cm^3 of sodium borohydride (of density 1.074 g/cm^3)? Answer in units of mol
According to the EPA, the maximum contaminant level (MCL) of beryllium in drinking water is 0.0040 mg/L. Convert the MCL of beryllium from milligrams per liter to parts per billion (ppb).
Consider the reaction 2NH3 + CH3OH → products .How much NH3 is needed to react exactly with 21 grams of CH3OH?
Application of the concepts of VSEPR theory leads us to conclude that the shape of the SO3 molecule is
Determine the pH of each of the following solutions. (a) 0.399 M benzoic acid (weak acid with Ka = 6.3e-05). (b) 0.558 M boric acid (weak acid with Ka = 5.8e-10). (c) 0.171 M pyridine (weak base with Kb = 1.7e-09).
Write the expression for the equilibrium constant for the reaction represented by the equation. CaCO3(s) ? Ca2+(aq) + CO3 -(aq). Is Kc > 1,
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
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