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tangare [24]
3 years ago
6

5. Thomson's experiments with cathode rays led to the discovery of the: electron Neutron

Chemistry
1 answer:
Alex_Xolod [135]3 years ago
7 0
Electron because it’s more valid than neutron
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How many types of ions must be present in solution, at minimum, for the phenomenon of selective precipitation to be observed? Yo
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Two (2) types of ions

Explanation:

Metal ions (cations) and negatively charged ions (anions) of either chloride, carbonate, sulphides or hydroxides are present during the selective precipitation.

Majorly, the process determines the metal ions present by initiating precipitation as certain conditions.

I hope this was helpful.

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3 years ago
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8 0
2 years ago
How many moles of sulfur trioxide are formed from 3 moles of oxygen using the given
fiasKO [112]

Answer:

6 moles of SO₃ formed.

Explanation:

Given data:

Number of moles of SO₃ formed = ?

Number of moles of oxygen react = 3 mol

Solution:

Chemical equation;

2SO₂+ O₂      →   2SO₃

now we will compare the moles of oxygen and sulfur trioxide.

                             O₂            :            SO₃

                               1             :             2

                               3            :           2/1×3 = 6 moles

Thus, six moles of SO₃ will formed.

8 0
3 years ago
Salts usually have a low melting point
Svetradugi [14.3K]
Yes they do if that was your question
8 0
3 years ago
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