Home > categories > Minerals & Metallurgy > Aluminum Foils > Chemistry RepostPlease help!?
Question:

Chemistry RepostPlease help!?

A chemist must prepare 375mL of 90.0 mM aqueous aluminum sulfate working solutionHe'll do this by pouring out some .313 M aqueous aluminum sulfate stock solution into a graduated cylinder and diluting it with distilled waterCalculate the volume in mL of the aluminum sulfate stock solution that the chemist should pour outRound your answer to 3 significant digits.

Answer:

1 mM millimolar 1 mmol/L 1 mmol/1000 mL mole Al2(SO4)3 required 375 mL (90.0 mmol/1000 mL))(1 mol/1000 mmol) 0.03375 mol 1 M 1 mol/L 1 mol/1000 mL volume 0.313 M Al2(SO4)3 needed 0.03375 mol (1000 mL/0.313 mol) 107.82 mL 108 mL
Eating 6 small meals a day, cutting out processed foods, eating vegetables/fruits with every meal and exercising; running a mile and cycling for 20 minutes every other day.
The Rave DietBut you have to become vegan for itIt's surprising how much I DIDN'T crave meat and animal products though, I'm still a vegan to this dayI lost 14 kilos/30 pounds with that diet.
any diet should keep it off, if you keep up the healthy habitsIf you slip, it's ok, just go back to work on itJust keep exercisingQuick Weight Loss Center worked for meAnd I was never hungrycheck them out.
pick up a 5 or 10 pound weight at the gym and visualize that weight coming off holding the weight in your hands helps bring home just how heavy even 5 pounds of extra fat can be

Share to: