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?

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

Ora blancas cual copos de nieve, ora negras, azules o rojas, en miríadas esmaltan el aire y en los pétalos frescos retozan. Leves saltan del cáliz ab

238 sandwiches 54 guests if the sandwiches were showed at equally how many sandwiches could each person have

Solve the equation by factoring: x² – 5x = 14 a. x= -2 or 7 b. x= 2 and -7 C. X= -2 or -7 d. x = 2 or 7

3) Rick says he has two miles already. Which form of the verb best completes the sentence? A) ran B) run C) running D) runs

Use the linear combination method to solve the system of equations. –2.1x + 4y = 5.3 2.1x – 5.5y = –0.2 What is the solution to the system? ( , )

Solving absolute value inequalities requires solving compound inequalities. O True O False

HELP ASAP. Please select the best answer from the choices provided.

Plzzz helpppp urgenly❤️

A grocery store bought ice cream for $2.30per half gallon and stored it in two freezers. During the night, one freezer malfunctioned and ruined 14 half gallons

what is a continent To eliminate the terms and solve for y in the fewest steps, by which constants should the equations be multiplied by before adding the equat