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maksim [4K]
3 years ago
14

In order to properly calculate how much reactant needs to be used in a chemical reaction to produce a specific amount of product

, what method of chemical calculation must be used
Chemistry
1 answer:
Alik [6]3 years ago
6 0

Answer:

First, a mandatory stoichiometric balance must be made, and second, the degree of purities and impurities that the reagents have must be analyzed to see how many products they would have.

It is essential that this is taken into account since not all chemical compounds (reactants) are 100% pure and therefore their entirety does not become a product.

Explanation:

As for the stoichiometric balance, it is fundamental since if the equation is not balanced all the data will be wrong.

Many times the quantity in grams and another measurement of the products are obtained, taking into account a standard value of how many reactants will give x quantity of products, a simple rule of three could be made and thus be able to determine in a simpler way how many reactants were catalyzed in reaction.

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Explanation:

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3 years ago
Which represents kinetic energy? a salmon resting in still water a bear holding a salmon it has caught a salmon leaping up a wat
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8 0
3 years ago
How many moles of copper are present in a sample of tennantite with a mass of 2290 grams?
grin007 [14]

Answer:

               18.58 moles of Cu

Solution:

Data Given:

                  Chemical Formula of Tennantite  =  Cu₁₂As₄S₁₃

                  Mass of Cu₁₂As₄S₁₃  =  2290 g

                  M.Mass of Cu₁₂As₄S₁₃  =  1479.06 g.mol⁻¹

Step 1: Calculate Moles of Cu₁₂As₄S₁₃ as,

                               Moles  =  Mass ÷ M.Mass

Putting values,

                               Moles  =  2290 g ÷ 1479.06 g.mol⁻¹

                                Moles  =  1.548 mol

Step 2: Calculate Moles of Cu,

As,

                         1 mole of Cu₁₂As₄S₁₃ contains  =  12 moles of Cu

So,

               1.548 mol of Cu₁₂As₄S₁₃ will contain  =  X moles of Cu

Solving for X,

                     X  =  (1.548 mol × 12 mol) ÷ 1 mol

                     X  =  18.58 moles of Cu

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What particles are contained in the nucleus of an atom?
sertanlavr [38]
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