What is the current?What positive and negative ions result when K2SO4(aq) is dissolved in an aqueous solution?An aqueous solution of an unknown salt of ruthenium is electrolyzed by a current of 2.50 A passing for 50.0 min. If 2.618 g Ru is produced at the cathode, what is the ...
What are the molecular, total ionic and net ionic equations of the reaction between aqueous solutions of calcium chloride and sodium carbonate? Phenoxide ion (C6H5O-) is a weak base, with Kb = 7.70 x 10-5. What is the pKa of phenol, C6H5OH, t...
What is the net ionic equation for the reaction of H2SO3 with Ba(OH)2? Sulfurous acid and barium hydroxide: The weak sulfurous acid and strong barium hydroxide react in a neutralization reaction to form the insoluble barium sulfite and water. The insoluble salt will precipitate...
A net ionic equation includes the species involved in the chemical equation, denoting their charges and physical changes when applicable. A net ionic equation will show the formation of product(s) based on the reaction between ions. The source of the ions is not apparent in the...
What is the empirical formula for a compound containing 80.68% mercury, 12.87% oxygen, and 6.45 % sulfur? Answer and Explanation: Start by determining the amount of each element in 100 g of the substance, which gives you 80.68 g Hg, 12.87 g O, 6.45 g ...
Is 1 siemens/m of conductivity equal to 1 mole of charges? Explain. Calculate the number of grams in 0.329 moles of K. How many moles of boron are in 1.00 gram? How many formula units of NaCl are in a 2.75X10^-2 mol sample? Knowing that a mole of a substance contains ...