Wilbertcr7 Wilbertcr7

03-10-2018
Chemistry

contestada

how many grams of F are there in a 36.01 g sample of CrF3 given that 18.83 g of this sample are Cr?

Respuesta :

kachigga kachigga

03-10-2018

Ca = 40.1

2 F = 38.0

--------------

78.1

% F = 38.0/78.1

Now you can calculate mass of F

0.487 ( 255 g ) = 124 g F

Answer Link

Otras preguntas

If the height of the parallelogram shown is increased by 1 cm and the base is increased by 2 cm, what is the area of the new parallelogram? A parallelogram with

A 7.5 force is applied to a football, causing an acceleration of 15 m/s2. Calculate the mass of the football.

What is the mantle of the core of the earth

A 210-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pul

Which of the following polynomials is a difference of squares? * 10 points x^2+16 x^2+6x+9 x^2+5x+4 x^2-9

A plumber charges an initial fee of $200 plus and hourly fee of $50. Mrs. Coombs paid the plumber $ 450. How many hours did the plumber work?

Simplify the expression. x^2 (5x + 3)

The graph below shows the annual cost (green) and sales (red) of a company. What is the break-even point?

If a color change occurs when two solutions are mixed has a chemical reaction likely occurred?

Which sort algorithm starts with an initial sequence of size 1, which is assumed to be sorted, and increases the size of the sorted sequence in the array in eac