Heyi need help with 26, 27, and 28. Plz help I'll give brainliest plz

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

In saturated organic compounds, all the bonds between carbon atoms are called?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit