5. A liquid cannot be separated into its components through physical means but can be decomposed through electrolysis or by applying electricity. The liquid is classified as alan a. compound c. mixture b. element d. solution

. What is the molarity concentration of CuCl2 in a solution prepared by dissolving 33.6g of CuCl2 in enough water to make 500. mL of solution? a. 5.00 x 10-4 M b. 0.678 M c. 0.250 M d. 0.466 M

2 MOLARITY ONLY

What is the molarity of a solution of 25.0 g NaOH (molar mass = 40.00 g/mol) dissolved in  .250 L  of soln?             M = mol/L A. 0.625 M  B. 6.25 M C. 0.025 M D. 2.50 M

1. Certain popular antacids are dissolved in water (with much fizzing) and are taken in the form of a solution. When the antacid and water are mixed, what kind of change occurs?a. Physicalb. Chemicalc. Can't tell from the information given.Explain your answer.

Give typed explanation

1. Write balanced net ionic equations to explain the observations in the options assigned by your instructor. (All reactions are oxidation-reduction.) See the protocol on page 192. a) Option E Cues b) Option F

I need answers with solutions , how you got that answerS

16. What is the mass of the water of hydration in the hydrate? a. 0.4146 g b. 1.7402 g c. 2.4325 g d. 4.1777 g

Which of the following characteristics describes water’s ability to act as nature’s solvent?   A. The polar nature of water molecules attracts hydrophobic compounds, encouraging dissolution.   B. The nonpolar nature of water molecules allows polar substances to dissolve easily in water.   C. The polar nature of water molecules repels hydrophilic compounds, preventing dissolution.   D. The polar nature of water molecules allows other polar and ionic substances to dissolve easily in water.