Describe the preparation of 4.75 liters of 1.55M NaCl from solid NaCl and H2O.
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Describe the preparation of 4.75 liters of 1.55M NaCl from solid NaCl and H2O.
A. Describe the preparation of 4.75 liters of 1.55M NaCl from solid NaCl and H2O. (12pts) B. Calculate the % (mass/volume) of a 250.mL aqueous solution, containing 24.0 g of Ba(OH)2
Describe the preparation of 10 liters of 0.02M phospate buffer, ph 6.9, starting from (a) a 2M H3PO4 solution and a 1 M KOH solution (b) 1M solutions of KH2PO4, and Na2HPO4 (c) solid Na3PO4 and 1M HCl Please provide detailed explanations!
6. Given the reaction below, answer the following questions. (30 pts) CH4(g) + S(g) → CS2 (g) + H2S(g) A.Balance the equation above. B.Is the sulfur oxidized or reduced in the reaction? C.Given 3.841x1025 molecules of CH4, how many moles is this? Show charges D.Given 25.15 grams of Sulfur gas, how many moles of H2S could be formed? E.How many liters would the moles of H2S gas(from Part D) occupy at 25.0°C and 1.25 atm? F.What would be the volume(L)...
Describe the preparation of 2 liters of 0.25 formate buffer, pH 4.5, starting with 1M formic acid and solid sodium formate (HCOONa). pKa of HCOOH, formic acid is 3.75
A 4.75 g sample of solid NaOH is dissolved in 50.5 g of H2O in a constant-pressure calorimeter having a heat capacity of 18.5 J/°C. The temperature rises from 21.1°C to 33.6°C. Assuming that the solution has a specific heat capacity of 4.184 J/g·°C and negligible heat loss from the calorimeter, how much heat is produced in the solution process?
In the electrolysis cell used for the industrial preparation of Cl2 from aqueous NaCl, a diaphragm is used to separate the products. Give an equation for the reaction that would occur in the absence of the diaphragm and describe the nature of the reaction.
6. A. Describe the preparation of 750. mL of 0.55M saline(salt) solution from solid Naci (molar mass=58.5g/mol) and water. (12 pts) B. Determine the Molarity of sucrose(342 g/mol) in a 2 liter bottle of Mountain Dew containing 250.g of sucrose.
(a) In the electrolysis of aqueous NaCl, how many liters of H2(g) (at STP) are generated by a current of 85.4 A for a period of 69.2 min? The unbalanced chemical reaction representing this electrolysis is shown below. NaCl(aq) + H2O(l) --> Cl2(g) + H2(g) + NaOH(aq) _____ liters of H2(g) is generated by this electrolysis. (b) How many moles of NaOH(aq) are formed in the solution in this process? _____ moles of NaOH(aq) are formed.
(a) In the electrolysis of aqueous NaCl, how many liters of Cl2(g) (at STP) are generated by a current of 80.1 A for a period of 64.6 min? The unbalanced chemical reaction representing this electrolysis is shown below. NaCl(aq) + H2O(l) → C12(9) + H2(g) + NaOH(aq) liters of Cl2(g) is generated by this electrolysis. (b) How many moles of NaOH(aq) are formed in the solution in this process? moles of NaOH(aq) are formed.
how many liters of a 0.35M NaCl could be prepared from 240mL of a 5.0M stock solution?