Need a correct answer fast
how many moles of solute are contained in a 500.0 milliliter solution that has a concentration of 0.35 m?

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

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