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Nutka1998 [239]
3 years ago
10

Which of the following is the correct formula for copper (I) sulfate trihydrate? CuSO4 · 3H2O

Chemistry
2 answers:
Ahat [919]3 years ago
8 0
<h3>Answer:</h3>

                   Cu₂SO₄ · 3 H₂O

<h3>Explanation:</h3>

                         First of all we should be interested in the oxidation number carried out by Copper atom because it can exist both in +1 and +2 state. Hence, as shown in name<em> i.e. </em>(I), it shows that copper is having +1 oxidation state.

                          Secondly, we should be interested in the charge carried out by sulfate ion, as it is conjugate base of sulfuric acid so, it must contain a charge of -2.

                           Therefore, to neutralize -2 charge of SO₄²⁻ ion we have to add two Cu⁺¹ ions hence,

                                             Cu₂SO₄

Furthermore, the number of water molecules are three as the word tri- specifies three.

                                        Cu₂SO₄ . 3 H₂O

<h3>Remember:</h3>

                    In naming ionic compounds the positive part is named first followed by negative ion.

PilotLPTM [1.2K]3 years ago
6 0
It is either the 3rd answer or the 4th answer. Both are correct ways to write hydrates, but I was taught the 4th way. Just make sure this answer matches the format of the examples your teacher gave you.
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What does the concentration of reactants to affect the reaction rate
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Higher concentrations of reactants = More collisions between molecules = More possible reactions between the molecules = Higher reaction rate

<h3>What is concentration?</h3>

A solution is made up of two components, solute and solvent. In chemistry, we define the concentration of solution as the amount of solute dissolved in the solution.

Increasing the concentration of reactants generally increases the rate of reaction because more of the reacting molecules or ions are present to form the reaction products. This is especially true when concentrations are low and few molecules or ions are reacting.

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6 0
2 years ago
What is the first answer ?
QveST [7]

Answer:

d....

Explanation:

yes its d

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7 0
3 years ago
Question 22
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3 0
2 years ago
An element has two isotopes, A and B, with mass numbers of 32.0 and 33.0 respectively. The relative atomic mass is 32.3. The per
vlada-n [284]

Answer:

d) A - 70% B - 30%

Explanation:

If x is the abundance of A, and 1−x is the abundance of B, then:

x (32.0) + (1−x) (33.0) = 32.3

32x + 33 − 33x = 32.3

33 − x = 32.3

x = 0.7

The abundance of A is 70%, and the abundance of B is 30%.

7 0
3 years ago
Read 2 more answers
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