What is the mass of 1 mole of MgSO4?
A. 72.45
B. 120.4 g
C. 88.4 g
D. 216.7 g

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

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol