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otez555 [7]
3 years ago
9

Balance the equation __Ni(CIO)3 → _NiCl2+ _02

Chemistry
1 answer:
lora16 [44]3 years ago
3 0
The answer is 1, 1 , 1 because that will balance out the equation and make them equal
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Why are halogens so reactive?
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<span>This means that has great capacity to react with other chemical elements in nature, reacting mainly with sodium, therefore, can only be findings in chemical compounds in most cases. 

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Which statement is always true of the cathode in an electrochemical cell? Reduction occurs here. It is considered the "negative"
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It Is Considered The "negative" Electrode

Explanation:

An electrochemical cell is an electrolytic cell that drives a non-spontaneous redox reaction through the application of electrical energy. This cell is used to decompose chemical compounds, in a process called electrolysis. An electrode at which reduction take place is called the cathode. In reduction, electrons travel toward the site of reduction such that the negative charge is on the cathode.

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In an experiment you are asked to react hydrochloric acid with sodium hydroxide. when measuring the volume of the reactants, whi
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- A 100 mL graduated cylinder since it has marks showing the volume of the substance measured.

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Which statement is always true about conversation of matter?
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A student is instructed to make 1 L of a 2.0 M solution of CaCl2 using dry salt. How should he do this?
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<span>The student should follow following steps to make 1 L of </span>2.0 M CaCl₂.<span>
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1. First he should calculate the number of moles of 2.0 M CaCl</span></span>₂ in 1 L solution.<span>

</span>Molarity of the solution = 2.0 M<span>
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Hence, number of moles in 1 L = 2 mol

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moles = mass / molar mass

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Hence, mass of CaCl</span>₂ = 2 mol x <span>110.98 g/mol
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3. Weigh the mass accurately 

4. Then take a cleaned and dry1 L volumetric flask and place a funnel top of it. Then carefully add the salt into the volumetric flask and finally wash the funnel and watch glass with de-ionized water. That water also should be added into the volumetric flask.

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<span>6. Then top up to mark of the volumetric flask carefully. 
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7. As the final step prepared solution should be labelled.
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