The compound magnesium nitrate has the formula Mg(NO3)2. What is the relative formula mass of magnesium nitrate?

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.