Calculate the mass of ammonium sulfide (nh4)2s in 3.00 l of a 0.020 m solution

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

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