The solution to your problem is as follows:
<span>2 KClO3 → 2 KCl + 3 O2
</span><span>MW of KCL = 39.1 + 35.35 = 74.6 g/mole
62.6/74.6 = 0.839 moles KCl produced
0.839 moles KCl x 3O2/2KCl x 32g/mole O2 = 40.27g of O2 was produced
</span>
Therefore, there are <span>40.27g of O2 produced during the reaction.
</span>
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<span>C7H16 + 11 O2 = 7 CO2 + 8 H2O
If you write it like this then it is balanced.</span>
Answer: False
Explanation:
Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.
Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.
Example:
has similar molecular formula and empirical formula as the elements are already present in simplest of the ratios.
has molecular formula of
but
as the empirical formula.
Answer: Molecular formula
Explanation:
Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.
Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.
Ionic formula is the simplest chemical formula which depicts the whole number of atoms of each element present in an ionic compound.
Molecular formula of hydrogen peroxide is
. Empirical formula of hydrogen peroxide is OH.
Answer : The molarity of
solution is, 0.352 M
Explanation :
First we have to calculate the moles of 

Molar mass of
= 278.1 g/mol

Now we have to calculate the moles of 
The balanced chemical equation is:

From the balanced reaction we conclude that
As, 1 mole of
produced from 1 mole of 
So, 0.07041 mole of
produced from 0.07041 mole of 
Now we have to calculate the molarity of 


Therefore, the molarity of
solution is, 0.352 M