<span>When ammonium is dissolved in wated, we have,
NH3 + H2O >> NH4+ + OHÂŻ
pOH = -log[OH-]
pOH = -log[2.25x10^-2]
pOH = 1.6478
Since pH + pOH=14. Therefore pH = 14 - pOH = 14 - 1.648 = 12.3522.
[H+]=10^-pH
[H+]=10^(-12.3522)
[H+]= 4.3250 * 10 ^(-5)</span>
There are 20 milligrams in 0.2 decigrams
Answer:
im 99% sure it's 175.
Explanation:
keep trucking, i know school is hard but you're doing amazing
The one element that is less reactive than the others is Selenium.