Answer:
pH = -1
Explanation:
A solution of 10 mol·L⁻¹ HCl is very acidic.
HCl is a strong acid, so it dissociates completely in water and
To get the pH, you take the negative logarithm of the hydronium ion concentration.
So, a pH = -1 represents a very acidic solution.
Answer:
See below
Explanation:
The atmosphere of the earth hundreds of millions of years ago was only water vapour and carbon, both from the one ocean that existed around the continental body of Pangea. The photosynthesis process and exache (⊕) caused the percentages to decrease.
Answer:
3 significant figures that is 9,7 and 2
Answer:
gains two electron!
Explanation:
When a barium atom forms its most common ion, it gains two electron!
Explanation:
6×1.25×37.5= 281.5 g of chlorine
1×1.25×2= 2.5 g of hydrogen