How many ml of non medicated, flavored syrup base must be added to 1 pint of ranitidine syrup, 15 mg/ml, to change its concentration to 5 mg/ml?
1 pint = 473 ml
Each ml contains 15 mg of medicine.
Total mg of 1 pint ranitidine syrup = 473 ml 15 mg
= 7,095 mg
To get 5 mg in 1 ml of syrup divide total dose with required
dose = 7,095 5
= 1419 ml (total solution to be in the container with 5 mg/ml)
The syrup already contains 1 pint of ranitidine = 473 ml
We must deduct ranitidine syrup from the total solution = 1419 - 473
= 946
To change the concentration of 1-pint ranitidine syrup of 15 mg /ml to 5 mg /ml we must add 946 ml of non medicated flavoured syrup.
How many ml of non medicated, flavored syrup base must be added to 1 pint of...
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