Calcium chloride (CaCl2) is a salt which dissociates when
dissolved in water. Assuming that the dissociation is complete (100 %), then
the half reaction for this would be:
<span>CaCl2 ---> Ca2+
+ 2 Cl-</span>
We can see that in 1 mole of CaCl2 salt, 1 mole of Ca2+
ion and 2 moles of Cl- ion is created. Therefore there are 3 moles of ion per 1
mole of CaCl2. Using this ratio, the total number of moles of ions in the
solution is:
Total number of ions = 0.5 mol CaCl2 * (3 moles ion / 1
mol CaCl2)
<span>Total number of ions = 1.5 moles ion</span>
Answer:
C. Tip had the lower pressure, it was 652.71mmHg
Explanation:
To answer this question you need to convert both values into a common unit so you can compare directly.
87kPa = 652.71 mmHg
Answer:
D) Mg(s)
Explanation:
We are given:
The substance having highest positive 
potential will always get reduced and will undergo reduction reaction. Here, chlorine will undergo reduction reaction will get reduced. Magnesium will undergo oxidation reaction and will get oxidized.
<u>Reducing agents are the species which reduces others and oxidizes itself. Thus, Magnesium will be the strongest reducing agent.</u>
Answer:
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Answer:
electrons are negatively charged and are located in the electron cloud (outside the nucleus)
