You want to prepare 500ml of 0.75M HCl by diluting a stock solution with water. How many ml of a 6.0M stock solution are needed? 4.0 ml

9.0 ml

62.5 ml

2.25 ml

none of the above

4000 ml

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