Seudónimo Seudónimo

12-07-2017
Chemistry

contestada

How many grams of solute are present in 625 mL of 0.520 M KBr?

Respuesta :

dec77cat dec77cat

12-07-2017

M(KBr)=119.0 g/mol
v=625 mL=0.625 L
c=0.520 mol/L

n(KBr)=cv
m(KBr)=n(KBr)M(KBr)

m(KBr)=cvM(KBr)

m(KBr)=0.520*0.625*119.0=38.675 g

38.675 g

Answer Link

Otras preguntas

Let and g be differentiable on R and suppose f(0) = g(0) and f'(x) < g'(x) for all ose f(0) = g(0) and f'(x) s g'(x) for all x > 0. Then show that f(x) =

How can equity theory explain why a person who receives a high salary might be dissatisfied with their pay?

Determine the forces in members AD and DG. The forces are positive if in tension, negative if in compression. Assume h = 1.7d.

Use the verb given in the bracket in the correct tense Listen! Someone (shout) in the meeting hall.

Resumen Ana Frank página 75 a 120 porfavor

Distribute and simplify (5x-3)(-x-2).

during christmas, the minister rufus scrimgeour asked harry to

During the reaction p 4 5o 2 → p 4 o 10 , 1.5 moles of product were made in seconds. what is the rate of reaction? 210 g/min 0.011 g/min 380 g/min 850 g/min

A flexible chain of weight ‘W’ hangs between two fixed points ‘A’ & ‘B’ which are at he same horizontal level. The inclination of the chain with the horizon

which quantities has the same dimensions as kinetic energy, 12mv2 ? Note: [a] = [g] = LT^−2 ; [h] = L and [v] = LT^−1 .