yahyatahan yahyatahan

24-02-2022
Chemistry

contestada

What amount of nacl (in moles) is required to prepare 250 cm3 of a 0.200 mol dm-3 solution?

Respuesta :

rubenchhatkuli rubenchhatkuli

24-02-2022

Answer:

V = 250 cm3

= 250 × 10^(-3) dm3

= 1/4 dm3

no. of mole = 0.2×1/4 mol

= 0.05 molExplanation:

Answer Link

Otras preguntas

Stem cell research could lead to medical cures. Stem cell research probably would not benefit

Which of these attaches muscles to bones? A.) Tendons B.) Vertebrae C.) Yellow Marrow D.) Joints

Joanna wants to buy a car. Her parents loan her $5,000 for 5 years at 5% simple interest. How much will Joanna pay in interest?

An appropriate place to apply a twitch to a horse is a. the horse's upper lip. b. around the horse's ear. c. between the horse's teeth. d. the horse's rump.

Which of the following statements holds true for a chemical change

Which of the following physiological effects occurs as a result of increased exercise

What is the first step in the research process? A. narrowing the topic B. gathering information C. identifying the topic D. asking a specific question

How does cold milk cool hot Cocoa

Which of the following is an example of Victorian photography? a Julia Margaret Cameron's Julia Jackson b Gustave Courbet's A Burial at Ornans c Jean-François M

What has dual decided to be when he grows up