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9966 [12]
3 years ago
10

The balanced equation for the reaction between aqueous ammonium sulfate and aqueous barium acetate is:________.

Chemistry
1 answer:
photoshop1234 [79]3 years ago
5 0

Answer:

(NH4)2SO4 (aq) + Ba(C2H302)2 (aq) - BaSO4(s) + 2 NH4C2H3O2 (aq).

Explanation:

In balancing redox reaction equations, the rule of thumb is that the number of atoms on the left hand side of the reaction equation must be equal to the number of atoms of the same element on the left hand side of the reaction equation.

To ensure this, the correct coefficients are written in front of each of the reactants/products and the number of atoms of each element is counted to ensure that the equation is balanced.

If all these procedures are meticulously carried out, the balanced equation for the reaction between aqueous ammonium sulfate and aqueous barium acetate is:

(NH4)2SO4 (aq) + Ba(C2H302)2 (aq) - BaSO4(s) + 2 NH4C2H3O2 (aq).

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Explanation:

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3 years ago
4. How many moles of KBr are found in 3 Liters of 0.4 M solution?
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There are 1.2 moles of KBr found in 3 Liters of 0.4 M solution.

<h3>HOW TO CALCULATE NUMBER OF MOLES?</h3>

The number of moles of a substance can be calculated by multiplying the molarity by the volume.

No. of moles = Molarity × volume

According to this question, 3L of a KBr solution are contained in a 0.4M.

no. of moles = 3L × 0.4M = 1.2moles

Therefore, there are 1.2 moles of KBr found in 3 Liters of 0.4 M solution.

Learn more about no. of moles at: brainly.com/question/14919968

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Write the general electron configuration of a transition element(a) in Period 5;
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Electron configurations of  transition elements in Period 5:

Y     Yttrium  [Kr] 4d1 5s2

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Nb Niobium  [Kr] 4d4 5s1 (*)

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Ru Ruthenium [Kr] 4d7 5s1 (*)

Rh Rhodium  [Kr] 4d8 5s1 (*)

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Ag Silver  [Kr] 4d10 5s1 (*)

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What are transition elements?

  • The transition elements or transition metals occupy the short columns in the center of the periodic table, between Group 2A and Group 3A.  
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What are period 5 transition elements?

The period 5 transition metals are yttrium (Y), zirconium (Zr), niobium (Nb), molybdenum (Mo), technetium (Tc), ruthenium (Ru), rhodium (Rh), palladium (Pd), silver (Ag), and cadmium (Cd).

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