Chemistry
16.06.2022 05:03
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WILL GIVE BRANLIEST WILL FOREVER BE GREATFUL EASY BUT I WAS TO LAZY TO LEARN 13.
WILL GIVE BRANLIEST WILL FOREVER BE GREATFUL EASY BUT I WAS TO LAZY TO LEARN
13. How much of 0.05M HCl solution can be made by diluting 250 mL of 10M HCl?
16. What are the oxidation numbers for each element is the compound: PbO2
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16. What are the oxidation numbers for each element is the compound: PbO2
155680
4,9(58 marks)
0.05 * V1 = 250 * 10
V1 = 2500 / 0.05
V1 = 2500 * 20
V1 = 50000 mL
V1 = 50 Liters .
In PbO2 , oxygen exhibits an oxidation number of −2 (since it's not a peroxide or superoxide): Let the oxidation number of Pb be x . Then, for the compound to be neutral, the oxidation numbers of all atoms should add up to zero
167.2
Explanation:
dnarioproctor
4,4(26 marks)
In the reaction of hydrogen and oxygen to form water, like in all other chemical synthesis reactions there is a conservation of mass as the number of molecules on both sides is equal.
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