What volume of distilled water is needed to make an 3 M solution of HCl acid using 5 moles of HCI?

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

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

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?