Chemistry, 25.09.2021 08:00 kylaprather06
A chemist makes a solution of K2SO4 by dissolving 21.3 g K2SO4 in water to make 100.0 mL of solution. What is the concentration of SO42− ions in the solution? Assume that K2SO4 is the only solute in the solution. The molar mass of K2SO4 is 174.27 g/mol.
Answers: 1
Chemistry, 21.06.2019 18:10, write2lakenor7awj
Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.
Answers: 2
Chemistry, 22.06.2019 20:30, dinapaul424
Which states of matter have particles that move independently of one another with very little attraction?
Answers: 1
Chemistry, 22.06.2019 20:40, ohgeezy
Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
A chemist makes a solution of K2SO4 by dissolving 21.3 g K2SO4 in water to make 100.0 mL of solution...
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