Other Chemistry Answers

P4 (s) + 5O2 (g) P4O10 (g)
a) What mass of P4O10 forms when 2.7 g of O2 is used?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

What mass of H2O is required to react with 1.5 g of Na2S2O3 ?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

What mass of Na2S2O3 is needed to react with 0.12 g of Cl2?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

What mass of HCl forms from 2.8 g of Cl2?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

a) What mass of Na2S2O3 is needed to react with 0.12 g of Cl2?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

How many moles of hydrogen are in a
water sample that contains 80.0 milligrams of
oxygen?

1) Chlorine is used by textile manufacturers to bleach cloth. The balanced equation is: Na2S2O3(aq) + 4Cl2(g) + 5H2O(aq) ----> 2NaHSO4(aq) + 8HCl(aq) Step 1 is done!

a) What mass of Na2S2O3 is needed to react with 0.12 g of Cl2?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

b) What mass of HCl forms from 2.8 g of Cl2?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

c) What mass of H2O is required to react with 1.5 g of Na2S2O3 ?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

3) Given: 3Cu(s) + 8HNO3(aq) à 3Cu(NO3)2(aq) + 2NO(g) + 4H2O(aq) Step 1 is done!
How many grams of HNO3 are needed to dissolve 11.45g of Cu?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass

1. Given: 2Al(s) + Fe2O3(s) à Al2O3(s) + 2Fe(l) Step 1 is done!
How many grams of Fe2O3 are needed to produce 6.7 g of Fe?
Step 2: Mass to moles
Step 3: Mole to Mole (Ratio)
Step 4: Mole to Mass