Dec 18, 2016 · Magnesium acts as a reducing agent. In the chemical equation given to you "Mg"_ ((s)) + 2"HCl"_ ((aq)) -> "MgCl"_ (2(aq)) + "H"_ (2(g)) magnesium is a reactant, which is why …

Apr 23, 2014 · The balanced chemical equation is: Mg_((s))+ 2HCl_((aq))rarrMgCl_(2(aq)) + H_(2(g) The reaction between magnesium and hydrochloric acid combine to form a salt of …

Mar 2, 2018 · #Mg(s)+2HCl(aq)->MgCl_2(aq)+H_2(g)# So, magnesium chloride #(MgCl_2)# and hydrogen gas #(H_2)# is made. To test for the presence of hydrogen gas, light a splint and put …

Nov 28, 2015 · Mg(s) + 2HCl(aq) rarr MgCl_2(aq) + H_2(g)uarr Moles of metal, = (4.86*g)/(24.305*g*mol^-1) = 0.200 mol. Moles of HCl = 100 *cm^-3xx2.00*mol*dm^-3 = 0.200 …

Jun 24, 2017 · Clearly, Mg is the limiting reactant, some quick math tells me all we need to fully react that molar amount is 0.400 mol of #HCl#. #(0.200mol Mg)/1((H_2)/(Mg)) = 0.200mol …

May 18, 2017 · Mg + 2HCl → MgCl2 + H2 Chemistry Electrochemistry Oxidation and Reduction Reactions. 1 Answer anor277 ...

Mar 2, 2015 · The gas formed is hydrogen gas ("H"_2"). The chemical reaction between "Mg" and "HCl" is: "Mg(s) + 2HCl(aq)" rarr "MgCl"_2("aq") + "H"_2("g")" As you can see, the gas ...

Feb 28, 2016 · 1.03 mol of dihydrogen gas will evolve, with a volume slightly over 22.4 dm^3 at STP. Moles of magnesium: (50.0*g)/(24.31*g*mol^-1) = 2.06 mol Moles of hydrogen chloride …

Mar 4, 2017 · #Mg(s) + 2HCl(aq) rarr MgCl_2(aq) + H_2(g)uarr# Is this balanced stochiometrically? It must be if it is to represent chemical reality. We could do it from first …

Mar 9, 2017 · Mg(OH)_2(s) + 2HCl(aq)rarrMgCl_2(aq) + H_2O(l) This is simply an acid-base reaction, which we may represent by the balanced net ionic reaction: Mg(OH)_2(s) + 2H^(+) …