How many grams of nickel (ii) chloride hexahydrate are required to prepare 250. ml of aqueous solution whose concentration is 0.255 m? the molar mass of nickel (ii) chloride hexahydrate is 237.69 g mol−1.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next