2K + MgBr2→ __2_KBr +
Mg
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If 79.01 grams of Mg are produced, how many moles of K were reacted?
O 6.6 moles K
O 1.6 mol K
O 39.5 mol K
O 3.3 mol K

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

What’s the percent by mass of carbon in c10h14n2

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?