Percentage, Ratio Strength Samantha Hall

Percentage Strength Units w/v% = w/w% = v/v% =

w/v g/100ml D10W = 12%(w/v) NaCl sol’n =

v/v ml/100ml 20% HCl v/v =

w/w g/100g 0.025% triamcinolone w/w =

How many grams of triamcinolone are in a 15g tube of 0.025 w/w%?

How many mg of dextrose are in 50ml of D5W w/v? Sp gr of D5W is 1.14.

How many ml of HCl are in 250ml of 20% v/v HCl sol’n How many ml of HCl are in 250ml of 20% v/v HCl sol’n? Sp gr of the solution is 1.098.

A 100ml solution of 4. 5% w/v NaCl has a specific gravity of 1. 024 A 100ml solution of 4.5% w/v NaCl has a specific gravity of 1.024. How much water is in the solution?

Ratio Strength Express the following as a percent strength 1:200= 1:50= 1:500 =

Percent Strength Express the following as a ratio strength: 0.033% = .075% = .01% =

How many mg of drug are in 2.7 ml of a 1:500 sol’n?

How many mg of epinephrine are in an epipen 1:2000 How many mg of epinephrine are in an epipen 1:2000? A single epipen contains 0.3mL.

How many mL of water are in 200mL of 1:250 sol’n with a specific gravity of 1.23?

How many mL of water is in 500ml of a 1:10,000 solution that has a specific gravity of 1.01?

Parts per Million/Billion Express as a ratio: 1 PPM = 1 PPB = Express w/ units

If a 1L solution is 500 PPM, how many mg of drug is in the solution?

How many mL of water are in 750mL of a 2000 PPM solution How many mL of water are in 750mL of a 2000 PPM solution? Sp gr of the solution is 1.07.

Questions? speykoff@uthsc.edu