Question 14 (3 points) Calculate how many grams of zinc chloride are produced if 6.5 grams of Zn is used to react in the chemical reaction below. Be sure to show all of your work. Zn + 2HCl → ZnCl2 + H2 Format BIU ...
determine how many grams of hydrogen gas are produced from 27.2 g of HCl 4. Zinc metal reacts with hydrochloric acid giving off hydrogen gas, H2 according to the equation: H2() ZnCl2 (aq) + Zn )+2HCI (n) Balance the equation b. Determine how many moles of zinc are required to produce 6.25 moles of hydrogen gas? Imol Zn Imol ta Le.25 mol tH Le 25 me Zn c. Determine how many grams of zinc are required to produce 4.5 moles...
0.328 63. How many grams of zinc are there in 22.7 g of ZnCl2? A) 0.35 € B) 0.178 C 10.9 g D) 1476 g E) 64. A compound with a composition of 87.5% N and 12.5% H was recently discovered. What is the empirical formula for this compound? A)NH2 B)N2H3 C)NH D) N2H2 EN2H 65.Combustion analysis of a hydrocarbon produces 0.396 g of CO2 and 0.163 g of H2O. Which of the following molecular formulas is consistent with the...
12. Zinc is electroplated from a ZnSO4 solution. How many grams of zinc will be deposited if a 1.2A current runs for 35 minutes?
Hydrogen gas can be prepared by reaction of zinc metal with aqueous HCl: Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) How many grams of zinc would you start with if you wanted to prepare 5.05 L of H2 at 260 mm Hg and 26.0 Celsius?
How many grams of hydrogen are produced if 14 0 g of zinc reacts? mH_2 = g
Hydrogen gas can be prepared by reaction of zinc metal with aqueous HCl: Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) How many liters of H2 would be formed at 680 mm Hg and 17 ∘C if 27.0 g of zinc was allowed to react? How many grams of zinc would you start with if you wanted to prepare 6.00 L of H2 at 400 mm Hg and 35.0 ∘C?
Electrolysis used to plate zinc from a zinc chloride (ZnCl2) solution. If the cell operates for 3 minutes and 35 seconds at 325 milliamperes (mA), how many milligrams(mg)of zinc metal should deposit? 2. Electrolysis is used to plate zinc from a zinc chloride (ZnCl2) solution. If the cell operates for 3 minutes and 35 seconds at 325 milliamperes (mA), how many milligrams (mg) of zinc metal should deposit?
2)how many moles of barium sulfate are sulfate are produced from 0.1 mole of barium chloride? b) 3 moles of BACL2 will react to produce how many moles of potassium chloride? and so on..... 2) For the balanced equation; BaCl2 + K2SO4 → BaSO4 + 2KCI a) How many mole(s) of barium sulfate are produced from 0.1 mole of barium chloride? b) 3 moles of BaCl2 will react to produce how many moles of potassium chloride? 3) For the balanced...
How many moles of H 2 will be produced if we produce 50.5 grams of ZnCl 2 in the reaction Zn + 2 HCl ———> ZnCl2 + H2