24-02-2022
Chemistry

contestada

18 which solution has a molality of 0.25 m Naci?
0.5 mol Naci in 4.0 kg water
0.25 mol NaCl in 10 kg water
0.25 g Nai in 1.0 kg water
1.0 kg NAC in 40 kg water

Respuesta :

jennifersortopadilla jennifersortopadilla

24-02-2022

0.25m NaCl is equal to 0.25 moles of NaCl over 1 kg of water. So the correct answer is Number 3 or C.

Answer Link

Otras preguntas

A teacher is experimenting with a new computer-based instruction and conducts a study to test its effectiveness. In which situation could the teacher use the tw

The fire department in California decided to take a poll to see if residents would pay a monthly fee for their services. They polled 22 people in the state and

the difference of one lease than a number and twice a number

One number is 9 less than three times a second number. If the first number plus twice the second number is 16, find the two numbers.

If f(x) = 3x - 2 and g(x) = 2x+1, find (f- g)(x).

The rule of mixtures is used for which of the following purposes related to composite materials (one best answer): (a) calculating the proportions of each mater

Please, I need help. I don't understand how sin θ = sin (180 - θ). Can someone please explain it to me? If sin(180 - theta) is an obtuse angle how can the angle

Write the slope-intercept form of the equation of the line through the given points. 1) through (1,-4) and (3,0) 2) through (0,4) and (-5,-4)

What is the connection between the air fuel ratio and an engine running rich/poor? please give clear examples and full sentances.

What famous paleogeographic feature was located in eastern margin of Utah and most of Colorado during the Cretaceous period associated with limestone and coal d