Which chemical equation follows the law of conservation of mass
2 answers:
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25 moles of C3H8 will be produced from 75 moles of CO2.
<h3>Mole calculation</h3>
To find the value of moles of a product from the number of moles of a reactant, it is necessary to observe the stoichiometric ratio between them:
Analyzing the reaction, it is possible to see that the stoichiometric ratio is 1:3, so we can perform the following expression:
C3H8 CO2
So, 25 moles of C3H8 will be produced from 75 moles of CO2.
Learn, more about mole calculation in: brainly.com/question/2845237
Answer:
H2 + CaCl2 -> 2HCl + Ca
How many grams of HCl are made when 2.93 g of
Ca are made?
Explanation:
From the given balanced chemical equation, it is clear that:
2mol. of HCl and 1mol. of Ca are produced.
2mol. of HCl weighs --- 73.0g
1mol. of Ca weighs --- 40.0g
Hence,
73.0g of HCl and 40.0g of Ca are produced.
When 2.93g of Ca is produced then, how many grams of HCl will be produced?
Hence, 5.35g of HCl is formed.