i'm having troubles with my homework.. can you help me? :)
1. How many grams of NaOH are needed to prepare 0.500m solution using 800.o grams water?
2. What is the molality of a 0.300 M acetic acid(C2H4O2) solution with a density of 1.004g/mL?
3. What is the molality of a 2.75 mol Kl dissolved in 2.00L water?
pls help me... ??? tnx.. ^^,