kimberlyvallejo456 kimberlyvallejo456

24-01-2024
Chemistry

contestada

You want to make 200 ml of 70% ethanol and your stock ethanol is 95%. How much ethanol and how much dH2O do you need?

Relax

Respuesta :

ryan4218 ryan4218

24-01-2024

Dilute 147.4 ml of 95% etoh to 200 ml with di h20 for a 70% solution so the answer is 147.4 ml

Answer Link

Otras preguntas

The construction of wind farms has affected the migratory patterns of some bird populations. Bird populations have been noted to no longer increase and sometime

Some of the music in the 1960s was used to protest social and political issues. Is music still used as a form of protest? Why or why not?

you have 10 cards numbered from 1 to 10. you choose a card at random. then without replacing the first card, you choose anothercrd at random. what is the probab

An atom of rhodium has a diameter of about 2.7×10^-8 cm. . How many Rh atoms would have to be placed side by side to span a distance of 8.5μm?

Some of the music in the 1960s was used to protest social and political issues. Is music still used as a form of protest? Why or why not?

Marissa wants to write an abbreviated set of directions for finding coordinates of a figure reflected across the y-axis. Which mapping notation is correct?1. (x

Mark each statement if it describes a Greek religious belief. A. The gods and goddesses helped the good and punished the wicked. B. All gods and goddesses wer

An undersea volcanic formation that does not rise at least 1000 meters above surrounding sea floor is called a_____. A. sea knoll B. guyot C. sea geyser

How many brains does a starfish have?

Help me with this math problems Plzz! See the picture