calculate the concentration of bicarbonate ion, hco3-, in a 0.010 m h2co3 solution that has the stepwise dissociation constants ka1 = 4.3 × 10-7 and ka2 = 5.6 × 10-11.

Arecycling company gives you 5 cents for every plastic bottle and 10 cents for every glass bottle. from a certain individual the recycling company received 59 bottles and paid $4.55. how many glass bottles did the individuals recycle?

All businesses can discriminate against workers based on a nation of origin b. immigration status c. mental disability d ane

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?