Answer to Question #188093 in General Chemistry for ryan

Question

2 Al + 2 NaOH + 2H2O to 2 NaAlO2 + 3H2

if 126.4 g of NaOH is 97.7 g of Al are made of to react

a. How

many moles of NaAlO2 is produced if 126,4 g of NaOH reacts completely?

b. How many grams of NaAlO2 is produced using the same amount of NaOH?

c. Which reactant is the limiting reagent?

d How many grams of the excess reagent is left?​

Answer 1

a)Moles of NaAlO2=4.97moles

b) Mass of NaAlO2 =116.8g

c)Limiting reagent=Al

d) Excess reagent =24.8g