A serial dilution was prepared with tube 1 having a dilution of 1:2. What will be the dilution in the 6th tube? Show work to receive full credit.

How much saline is required to make 50 mL of 5% serum from 25% serum in saline?

Glucose sample reports a value above linearity (out of reportable range for the instrument) of >600mg/dL. Following a dilution, a value of 456 mg/dL was obtained. What is the calculated glucose value if a 1:3 dilution was used?

Homogenous mixture of two or more substances

Make 135 mL of 6% serum in saline.

How many mL of serum will be needed to make 250 ml of a 1:3 dilution?

How much 2 N HCl is required to make 25 mL of 0.8 N HCl?

How many mL of water is needed to make 740 mL of a 1:9 dilution?

How could 275 mL of a 3.0 M solution of hydrochloric acid (HCl) be prepared from a 10.0 M solution of HCl?

If 1 mL dye is added to 4 mL diluent, what is the dilution?