davialashay5804 davialashay5804

22-02-2024
Chemistry

contestada

A pharmacist has 100 milliliters of a solution that is 50% active ingredient. How much pure water should she add to the solution to get a solution that is 5% active ingredient?

a) 500 milliliters
b) 400 milliliters
c) 300 milliliters
d) 200 milliliters

Respuesta :

Otras preguntas

I need help with this please!!!

Why did the US involve themselves in the Congo and Angola during the Cold War era?

18. If (2x-3) is a factor of 2x4 - 3x² + 15x - 15k, find the value of (3k - √5 k).

The table shows the annual sales revenues of different types of vehicles made by four automobile manufacturers. The number in the highlighted cell is ______

a sample of ammonia has a mass of 45.5g. how many molecules are in this sample

Ten blackberry plants start growing in my yard. Absent constraint, blackberries will spread by 200% a month. My yard can only sustain about 50 plants. Using the

1. Why did Brian want to find a lake directly in front of him?

HELP ASAP GIVING BRAINLIEST TO RIGHT ANSWER PLEASE HELP FAST

1. A _______ causes the computer program to behave in an incorrect or unexpected way. A. Loop B. Bug C. Variable D. Syntax

simplify (b-a)U(c-a)?