Using the formula, [H+]=10^-pH, what is the concentration in molarity of a solution
with a pH of 8.9
1.23x10^-9 M
2.35x10^-11 M
O 8.9x10^-1 M
3.1x10^-9 M

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world