The is used to identify a mixture as a colloid. tyndall effect particle effect motion effect doppler effect asap

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

Nonpoint source pollution is difficult to control because it

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?