Name a solvent for the following to dissolve in (hexane is nonpolar and water is polar):
a.Glucose (polar)
b.Lard (nonpolar)
c.Vegetable oil (nonpolar)
d.Salt (polar)
Which of the following are solutions?
a.Salt/water mixture
b.Blueberry muffin-
c.Brass buckle-
d.Sand and water mixture
Calculate by percent mass calculations:
a.10.2 mg NaCl in 1.55 g H2O
b.245 mg C6H12O6 in 4.91 g H2O
c.How many grams of sucrose must be added to 48 g of water to make a 3.7% sucrose solution?
Make the following dilution calculations:
a.158 mL of 1.2 M sucrose solution is diluted to 500.00 mL. What is the new molarity?
b.Make 2.5 L of a 0.100 M KCl solution from 5.5 M stock KCl
c.To what volume will you dilute 25 mL of a 12 M stock HCl solution to obtain 0.500 M HCl solution