How many grams of cl are in 345 g of cacl2

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

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.