Regents Chemistry Concentration Solutions

Determine whether Al(OH)₃ is soluble using Table F

• Soluble

• Insoluble

Determine whether Na₂SO₄ is soluble or insoluble using Table F

• Soluble

• Insoluble

In a gas to liquid mixture, an increase in temperature means...

• increase in solubility
• decrease in solubility

Which substance is most soluble at 40 degrees Celsius?

• KCl

• KNO₃

• NaCl

• NH₃

Tags

NGSS.MS-PS1-2

The boiling point of a solution is ______ the boiling point of the pure solvent.

• higher than
• the same as
• lower than
• higher or lower than

How many moles of HNO₃ are needed to prepare 5L of a 2M solution? 

• 10 mol
• 2.5 mol
• 0.4 mol 
• 100 mol 

What is the molarity of 0.50 liter of an aqueous solution that contains 8 grams of NaOH (gram-formula mass = 40. g/mol)?

• 0.1 M

• 0.2 M

• 2.5 M

• 0.4 M

Solutions that conduct a current are called ____________ and are made from ___________ compounds.

• electrolytes; ionic

• nonelectrolytes; ionic

• electrolytes; molecular

• electrolytes; covalent

This solution would be considered

• Unsaturated
• Supersaturated
• Saturated
• Undefined

what is the molarity of a solution that contains 125 g NaCl in 4.00 L of solution? (gfm = 58 g)

• 0.535 M NaCl

• 2.14 M NaCl

• 8.56 M NaCl

• 31.3 M NaCl

Tags

NGSS.HS-PS1-5