Question

1. If 480 mL of a 30% w/v solution were diluted to 2.5 liters, what would be the percentage strength (w/v)? Express units only as %. (Round to tenths)

2. If 3 tablepoonsful of povidone iodine solution (6.0 % w/v)
were diluted to 1.50 pint with purified water, what would be the
ratio strength (w/v, *which is what the units are for this
problem*) of the dilution [expressed as 1:____ rounded to the
nearest whole number and without putting the **1:** in
the answer box]?

Answer #1

Assume the sucrose solution was at a 50% (w/v) solution and 5
liters were made. (assume 1 mL = 1g)
A) What is the initial molatiy of this solution?
B) The sucrose is hydrolyzed. What is the molaity of the new
solution in the hydrolyzed sucrose solution?

What would the concentration of the resulting glucose solution
be if 200 mL of a 22 % (m/v) glucose solution were diluted to a
final volume of 1 L with distilled water? Express your answer using
one significant figure.
How many liters of a 0.85 % (m/v) NaCl solution can be prepared
from 700 mL of a 9.5 % (m/v) stock solution? Express your answer
using two significant figures.

1) What is the percentage of alcohol in the following
prescription? Rx Chloroform Spirit 110.0 mL (88% alcohol) Aromatic
Elixir 85.0 mL (22% alcohol) Terpin Hydrate Elixir 255.0 mL (40%
alcohol) Sig. 5 mL for cough
2) In what proportions should 10% and 4% zinc oxide ointments be
mixed to prepare a 6% ointment? How much of the 6% can be made
using 1 pound of the 10%?
3) If 200 ml of a 10% (w/v) solution are diluted to...

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