Asolution of 10 m naoh was used to prepare 2 l of 0.5 m naoh. how many ml of the original naoh solution are needed?
a. 10 ml
b. 100 ml
c. 1000 ml
d. 200 ml
e. 2000 ml

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Adilute aqueous potassium nitrate solution is

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood