Answer:
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4.002602 u
Being one of the lightest elements in the world, Helium has an atomic mass of 4.0026 u. u means Unified Atomic Mass Units. 1 u equals to the mass of 1/12 of the mass of a 12C ( Carbon - 12 ) isotope.
According to the activity series for metals, the following reaction will not occur. Instead, HCI(aq) will react with Zn(s).
Answer: No
Credit to: @Amina99
+ = <3
The Elements are Carbon,Hydrogen and Oxygen. Carbon has 6 atoms,Hydrgen has 12 atoms, and Oxygen has 6 atoms.
It's (grams-of-Cl/total-grams)(100), so (35.45g/58.44g)(100) = 60.66% Cl. Hope this helps!
