You opened up a new 500. ml bottle of robitussintm. the dosage is 1.1 tablespoon (tbs).
how many doses are in the bottle?
1 tsp. = 4.93 ml
3 tsp. = 1 tbs.
b)what is the mass of 35.2 ml of a saline (salt water) solution that has a density of 1.12 g cm−3?

30.73 Doses and 39.42 g

Explanation:

It is necessary to know the conversion factors in that manner change the initial 500 mL to the number of doses as follow:

And the for b. it is such necessary to take in account that 1 mL = 1

35.2 mL * 1.12 = 39.42 g

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