An aqueous solution contains 32.7% KCI (weight/weight %).
What is the mole fraction of KCI in
this aqueous solution?
Molar Mass
KCI: 74.55 g/mol
H2O: 18.016 g/mol

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

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