alainzee5 alainzee5

15-09-2017
Chemistry

contestada

What is the number of moles of solute in 250 mL of a 0.4 M solution ?

Respuesta :

haneylia haneylia

15-09-2017

.4 M means that in 1 Liter of solution there are .4 moles.

Molarity x Liters = Moles

We have molarity, so convert mL to liters

250 mL x 1000mL/1 Liter = .25 L

Now, set up the equation

.4 M x .25 L = .1 moles of solute

Answer Link

Otras preguntas

infomercials are useful for products that: multiple select question. are easy to understand and use require much explanation are hard to sell require testimonia

Which of the following are principles of internal control? a. Increase revenues. b. Reduce vendor payables. c. Perform regular and independent reviews. d. Divid

consider the following sequence of messenger rna: what was the sequence (and polarity) of the template strand of dna that encoded this mrna? 3' g a u a u g g g

Today student should be reconciled _____(eu vaycpthh) the way things are changing.

An object is dropped from the top of a tower with a height of 1190 feet. Neglecting air resistance, the height of the object at time t seconds is given by the

in class, we watched a video of a woman who was afraid of being in enclosed spaces. her therapist first directed her to stand in an elevator and then ride in th

Applicants should be treated equally in the application process to avoid A. spending too much money during the process OB. losing track of good candidates C. gi

A connection between two or more events that does not necessarily mean one caused the other is known as.

in middle eastern countries such as iran and iraq, many deaths have been caused by earthquakes mainly because of

PLEASE HELP HURRY Find the area of the figure below composed of a rectangle and a semicircle round to the nearest tenth place 8 10