Question

I know everyone guessed i had a few more i couldn't do. Sorry but assistance please:

1.Sucralfate (molecular weight: 2087g/mol) is a major component of Carafate® which is prescribed for the treatment of gastrointestinal ulcers. The recommended dose for a duodenal ulcer is 1g taken orally in 10 mL (2 teaspoons) of a solution four times a day. Calculate the molarity of the solution.
a 0.010 M
b 0.02087 M
c 0.0005 M
d 0.048 M

2.A bottle of 6.00 M NaOH is on the lab bench. You are instructed to use 75.0 mL of 0.500 M NaOH. How much 6.00 M NaOH do you have to dilute to 75.0 mL to meet the requirement?
a The solution cannot be produced from 6 M NaOH.

b 37.5 mL

c 9.0 mL

d 6.25 mL

3.If 25.0 mL of 3.0 M HCl are diluted to give a final volume of 150 mL, what is the new concentration?

a 75 M
b 2.0 M
c 4.5 M
d 0.50 M

Answer 1

1.
It appears the problem states the single dose is 1g per 10 mL.
mols of the stuff = grams/molar mass = ?
Then M = mols/0.010 L = ?

2. Sure is a funny way of stating the problem but it is
mL1 x M1 = mL2 x M2
mL1 x 6 = 75 mL x 0.5
Solve for mL 1.

3.
mL1 x M1 = mL2 x M2

Answer 2

i tried 37.5 for 2 it was wrong.

Answer 3

1 is D!