How many moles of oxygen atoms are present in 2.0 grams of oxygen gas, O2?

How many moles of ba (oh) 2 are present in 275 ml of 0.200 m ba (oh) 2?

Explain briefly why oxygen exists as diatonic molecules?

How many fe atoms are contained in 787 g of fe?

What is tins atomic symbol

Is coffee a pure substance or a mixture?

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.

Calculate the solubility of cux (ksp=[cu2+][x2-]=1.27*10-36) in a solution that is 0.190 m in nacn.

An atom has seven valance electrons which element could have this type of atom

How is the ocean important to human survival? restate the question