How many grams of sodium carbonate (na2co3) contain 1.773x10^17 carbon atoms?

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Which is an example of a highly unstable isotope that is often used in fission reactions?