el peso atomico de la sustancia es 210 uma y que su composición porcentual es de 33.18% Na, 36.04% As y el resto es oxígeno (O). Determine la fórmula molecular de la sustancia. Na masa atomica 22.89 g/ mol uma, As arsenico masa ATOMICA 74.92 g/mol y oxigeno 15.99 g/mol uma *

it's all four options.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

the dissolution of polymer can be thermodynamically described in 2 steps.