Question

A 0.89% (w/v) sodium chloride solution is referred to as physiological saline solution because it has the same concentration of salts as human blood. What is the molarity of a physiological saline solution.

Answer 1

1.5x10^-4 M

Answer 2

Thanks.

Answer 3

remember 1000 g of water = 1 liter

So 0.89% w/v = 8.9g of NaCl in 1000g of water or 1 liter of water

Answer 4

Which I got. So taking 0.89mol/58.44g per mol equals 0.015mols. Right?

Answer 5

\[8.9\times \frac{ 1mol }{58g }= XXXX of moles \]

Answer 6

ooops ive made a mistake......

Answer 7

The answer is 1.5*10^-1 M

ahh

Answer 8

Yes! I got 0.15 M which is the same thing.

Answer 9

Sorry Im playing club music while i was doing this problem..... lol and GOOD JOB!

Answer 10

Lol...awesome

Answer 11

You wanna become a doctor?

Answer 12

yeah

Answer 13

how old are you?

Answer 14

32

Answer 15

pm me

Im in the same boat as you.

Answer 16

awesome