Monitoring levels of witch two gases would help determine the human impact on air quality

How many atoms are there in 5.70 mol of mg

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.

What is the percent by mass of magnesium sulfate in mgso4.7h2o