QUESTION 1 2.5L of a solution was prepared by dissolving 300 g of NaCl (molar mass: 58.44 g/mol) in it. If you took 1 L
Posted: Wed Apr 27, 2022 6:21 am
- Question 1 2 5l Of A Solution Was Prepared By Dissolving 300 G Of Nacl Molar Mass 58 44 G Mol In It If You Took 1 L 1 (7.38 KiB) Viewed 31 times
- Question 1 2 5l Of A Solution Was Prepared By Dissolving 300 G Of Nacl Molar Mass 58 44 G Mol In It If You Took 1 L 2 (27.89 KiB) Viewed 31 times
QUESTION 2 115 Sn? 50 Which of the following gives the correct numbers of protons, neutrons, and electrons in a neutral atom of 68 protons, 68 neutrons, 50 electrons 50 protons, 68 neutrons, 50 electrons 50 protons, 50 neutrons, 50 electrons O 118 protons, 118 neutrons, 50 electrons O 118 protons, 50 neutrons, 118 electrons QUESTION 3 700 g metal can is heated to 30°C to 50°C. How much energy (heat) was required to heat the metal can? (specific heat of the metal is 129 Kg°C) 3.7 kJ 1806 kJ 1.806 KI 1806000 J QUESTION 4 The lonization energy of atoms decreases going down within a group Increases going down within a group does not change going down within a group decreases going across a period