Can someone me solve this 4.21 x 10 ^-5 g/ 1.35 x 10 ^-2ml

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

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