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Licemer1 [7]
3 years ago
5

Starting with 1.5052g of BaCl2•2H2O and excessH2SO4, how many grams of BaSO4 can be formed?

Chemistry
2 answers:
muminat3 years ago
6 0
1.5052g BaCl2.2H2O => 1.5052g / 274.25 g/mol = 0.0054884 mol
=> 0.0054884 mol Ba 
<span>This means that at most 0.0054884 mol BaSO4 can form since Ba is the limiting reagent. </span>
<span>0.0054884 mol BaSO4 => 0.0054884 mol * 233.39 g/mol = 1.2809 g BaSO4</span>
Anuta_ua [19.1K]3 years ago
3 0

<u>Answer:</u> The mass of barium sulfate produced is 1.45 grams.

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}      .....(1)

Given mass of BaCl_2.2H_2O = 1.5052 g

Molar mass of BaCl_2.2H_2O = 244.26 g/mol

Putting values in equation 1, we get:

\text{Moles of }BaCl_2.2H_2O=\frac{1.5052g}{244.26g/mol}=0.0062mol

The chemical equation for the reaction of barium chloride and sulfuric acid follows:

BaCl_2.2H_2O+H_2SO_4\rightarrow BaSO_4+2HCl+2H_2O

As, sulfuric acid is present in excess, it is considered as an excess reagent.

Thus, BaCl_2.2H_2O is considered as a limiting reagent because it limits the formation of product

By Stoichiometry of the reaction:

1 mole of BaCl_2.2H_2O produces 1 mole of barium sulfate

So, 0.0062 moles of BaCl_2.2H_2O will produce = \frac{1}{1}\times 0.0062=0.0062 moles of barium sulfate

Now, calculating the mass of barium sulfate by using equation 1:

Molar mass of barium sulfate = 233.4 g/mol

Moles of barium sulfate = 0.0062 moles

Putting values in equation 1, we get:

0.0062mol=\frac{\text{Mass of barium sulfate}}{233.4g/mol}\\\\\text{Mass of barium sulfate}=(0.0062mol\times 233.4g/mol)=1.45g

Hence, the mass of barium sulfate produced is 1.45 grams.

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