Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in concentrated NaOH(aq). Calculate the amount of Ga(s) that can be deposited from a Ga(III) solution using a current of 0.310 A that flows for 50.0 min.
mass: g
Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in concentrated...
Gallium is produced by the electrolysis of a solution obtained by dissolving gallium oxide in concentrated NaOH(aq). Calculate the amount of Ga(s) that can be deposited from a Ga(III) solution by a current of 0.220 A that flows for 60.0 min.
The gas OF2 can be produced from the electrolysis of an aqueous solution of KF, as shown in the equation below. OF2(g) + 2 H+(aq) + 4 e- → H2O(l) + 2 F-(aq) E° = +2.15 V Using the given standard reduction potential, calculate the amount of OF2 that is produced, and the electrode at which the OF2 is produced, upon the passage of 0.120 faradays through an aqueous KF solution. The gas OF2 can be produced from the electrolysis...
Sodium hydroxide can be produced by electrolysis of NaCl solution 2NaCl(aq) + 2 H2O(l) à 2 NaOH(aq) + H2(g) + Cl2(g) A 100 g of 20 % aqueous solution of NaClwas used and conversion of NaCl is 90 %. Neglecting solubility of H2 and Cl2 in water, calculate % NaOH in the aqueous product. Use molecular balance method.
Sodium hydroxide can be produced by electrolysis of NaCl solution 2NaCl(aq) + 2 H2O(l) à 2 NaOH(aq) + H2(g) + Cl2(g) A 100 g of 20 % aqueous solution of NaClwas used and conversion of NaCl is 90 %. Neglecting solubility of H2 and Cl2 in water, calculate % NaOH in the aqueous product. use molecular balance method
Using the following reaction, how many moles of gallium chloride will be produced if 5.42×10^-5 moles of gallium metal react with excess hydrochloric acid? Be sure to carefully balance the equation first. Ga(s) + HCL(aq) -------> GaCl3(aq) + H2(g)
10. Calculate the molarity of a solution made by dissolving 5 moles of NaOH in water to the total volume of 3L. 12. What volume of 3M NaOH is needed to make 250 mL of 0.5M NaOH solution? 14. How many grams of NaCl are neede to make 3.5 moles of AgCl? NaCl(aq) + AgNO3(aq)→ NaNO3(aq) + AgCl (s) 15. Calculate percent yield of the reaction, that produces 14 g of AgCl when 40g of NaCl reacts with 40 g...
35. In the electrolysis of a solution containing Ni2+(aq), metallic Ni(s) deposits on the cathode. Using a current of 0.150 A for 12.2 min, what mass of nickel will form? (a) 0.0580 g (b) 5.56 x 104 g (c) 0.116 g (d) 1.86 x 10-5 (e) 0.025 g
a) What mass of Sn is produced by the electrolysis of an aqueous solution of SnCl4 when 10.0 amps of current is applied over a period of 30 minutes? b) For the reaction H2O(s) → H2O(l) what is the sign of ∆S, ∆H & ∆G?
Calculate the molality and mole fraction of a solution made by dissolving 8 gm of (Molar mass of NaOH = 40 g / mol Q.2 pure NaOH in 200 ml of water
11. Calculate the volume of oxygen produced (measured at s,t,p) during electrolysis of sodium sulfate solution if you use of current 0.50 amp for 30 min