Which is NOT a property of metals?
2 answers:
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0.1 moles of chloride ions were involved in the reaction if 25.0 mL of a 2.00 M CaCl2 solution is used for the reaction.
Explanation:
Data given:
volume of Ca = 25 ml 0r 0.025
molarity of the calcium chloride solution = 2M
number of chloride ions =?
Balance chemical reaction:
Ca + 2 ⇒
number of moles in 25 ml is calculated as:
molarity =
number of moles of calcium chloride = molarity x volume
putting the values in the equation:
number of moles = 2 x 0.025
= 0.05 moles of calcium chloride
1 mole of Ca decomposes as 1 calcium ion and 2 chloride ions
so 0.05 moles will have x moles of chloride ion
=
x= 0.1
0.1 moles of chloride ions will be involved in the reaction.
