Explain the steps 300 ml of 0.250 molarity of calcium chloride

How many atoms are there in 5.70 mol of mg

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98

What is the difference between skimming and absorbing methods of the oil removal