Cuántos moles hay en 63 g Fosforo P

How do you convert 4 mmol of bromobenzene to ml?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6