Answer:
0.001 M OH-
Explanation:
[OH-] = 10^-pOH, so
pOH + pH = 14 and 14 - pH = pOH
14 - 11 = 3
[OH⁻] = 10⁻³ ; [OH-] = 0.001 M OH-
CaCl2
All of the other choices are elements
Answer:
as follow
Explanation:
2
a acceptor
b Donor electron
3
A. MgBr2 B. Na2O
C. HCl D. AlCl3
E. K3N F. CaS
* the number is under the charactor/atoms
Spring scale
It's a tool used to measure force.