Dung dịch H2SO4 98% (d = 1.84g/ml). Hãy xác định CM, CN, Cm, X của dung dịch này.

Hydrogen is the most abundant element on the periodic table..hope it .

This is a solution, hope i could

In the question "in a solution of brine  (salt water), what is the  salt? " the correct answer is a solute. a solute is a component of a  solution  dissolved in the solvent.

Yes, it is possible.in a chemical reaction, the mass of the system is conserved. mass is not created nor destroyed in a reaction. the products come from the reactants.so by changing the number of reactants, there will be less reactants available to become products, thus reducing the amount of products.