Question

Example: 1 3 На 2 NH USE: N2 + a) If we need to produce eight moles of ammonia, how many moles of nitrogen and hydrogen gases are required? b) If we need to produce eighty moles of ammonia, how many moles of nitrogen and hydrogen gases are required? Example: 2 3020) 2KCI(s)+ a) How many grams of KCl will be produced if 25.8 moles of potassium chlorate is heated? 2KCIO3) b) How many gram(s) of oxygen gas is produced if 16.6 moles of potassium chlorate is heated? Example: 3 2 H20 Use: 2 H2 a) If 20 moles of hydrogen gas react completely with 10 moles of oxygen, how many grams of water will be produced? b) How many grams of oxygen gas is needed to produce 25 moles of water?

Answer 1

Example-1 3 H N2 E9uaton a) From equati'on Produced -» N2 mole mof N3 them 4 mol N : mole of N2 8myox 1 mo From equatien 2 moe NH3 Produced moe mse Nh3 8 then 8 mge x 3 nose a me

From equ ation mole produced 2 mose N 13 4 o ne N 8omyhex 1 moja 2 me Faom equ ation ; 3 mole H Pro du ced » ? 12 a moe 80 moe x 3 mel 2 myhe Exampee - l E quation ? 5=gm Mt a) From equati'on; mose of kcl poodcef Kcopoduced 5. mLe :. mojes 25. moje moles o'f kcl x me Aar mass f. <c 5.8 x 74.55 1923.3 S 9m 0f

Frপ equation. Rmole of kslo3 . Prodnced 3 moe 0f 16.6 moLe kc Po duced X E 24.3 Jmof02 - m oes of 2 x molar mass of 2 3 2 796.9 Example-3 2 H20 2 H2 E qation - a)mequati'on Produced H20 mole !. « mode H, ad 1 mole Produced Produced প - moles of H x molar marS of H20 9M f H2 o 2o X 18 9m 3 0 gm of 20

Froপ e१५०-०४ H২ ০ २ পoe ০ '. 1 প०২ P४७ d५(৫ d -> H, ० २5 প०9९ १ x 1 M৫ ৫ २ 5 «०e mole of २ ০ 2৫ ०f ০, । २.5 02 প,০)a পas ০4 M · ५e S ২ ० । 9১ ১2. 1२ ,5 ০2 = 4७० 9 0 ४