Question

How many grams of solute are present in 73.0 mL of isotonic saline?

Answer 1

0.657 grams of Sodium chloride.

Step-by-step explanation:

Isotonic saline or normal saline contains 9 grams per litre of sodium chloride.

For 73 mL of isotonic saline :

1000 mL of isotonic solution contain 9 grams of NaCl

1 mL of isotonic solution contain
`(9)/(1000) \\\\` grams of NaCl

73.0 mL of isotonic solution contain
`(9*73)/(1000)` = 0.657 grams of NaCl