Question

How many grams of FeCl3·6H2O are needed to provide 10.0 g of H2O?

Answer #1

Here we have the molecule that

So in a molecule of we need 1 mole of and 6 moles of

Now total mass of is equal to

= (mass of + mass of )

= 162.2+108

= 270.2 gm

Now we can say 108 gm of water are needed provide total mass of 270.2 gm of

Then 10 gm of water are needed to provide as

Hence 25 gm of are needed to provide 10 gm of water.

A student performed the experiment by using 2.6415 g of
FeCl3•6H2O and 7.6211 g K2C2O4•H2O. Determine the limiting reactant
when the K3Fe(C2O4)3•3H2O(s) product is formed as per the reaction
given in the lab instructions.

3. Given the following reaction: 2C2H6(l) +
7 O2(g) ---- 4CO2(g) +
6H2O(l)
How many moles of O2 is needed to produce 5.00 g H2O?
If 8.32 g of ethane react, how many grams of carbon dioxide will
be formed? How many grams of water will be produced?

Part A:
How many grams of O2 are needed to react with 9.05 g of
ethanol?
Part B:
How many grams of H2O are produced from 9.05 g of
ethanol?
Part C:
How many grams of CO2 are produced from 9.05 g of
ethanol?

How many milliliters of 0.215 M FeCl3 solution are needed to
react completely with 32.7 mL of 0.0509 M AgNO3 solution? The net
ionic equation for the reaction is: Ag+(aq) + Cl-(aq) AgCl(s)
mL of FeCl3:
How many grams of AgCl will be formed?

4NH3+ 5O2 --> 4NO + 6H20
a. How many grams of O2 are needed to react completely with 5.5
g of NH3?
b. How many grams of H2O are produced from 5.44g O2?

From the following balanced equation,
4NH3(g)+5O2(g)⟶4NO(g)+6H2O(l) how many moles of H2O can be formed
when 2.5mol NH3 react with 2.5mol O2?

How
many grams of sodium hydroxide would be required to produce 10.0 g
of sodium stearate (NaC18H35O2)?

C2H6(g) + O2(g) -->
CO2(g) + H2O(g)
(a) Consider the unbalanced equation above. How many grams of
O2 are required to react with 15.0 g of
C2H6? Use at least as many significant
figures in your molar masses as in the data given
g O2
(b) What mass of CO2 is produced?
g CO2
(c) What mass of H2O is produced?
g H2O

How many grams of H2 are needed to produce 11.16 g of NH3?

How many grams of H2O will be formed when 17.6 g H2 is mixed
with 22.3 g of O2 and allowed to react to form water?

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