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

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? A. 5

Sam is picking fruit from a basket that contains many different kinds of fruit. Which set of events is independent?

hurryA vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. The path is 2ft wide if one bag of gravel covers 9 square f

Carla was trying to decide what to do Saturday evening. She has $100 available to spend for the evening. She has narrowed her choices down to these events: Brav

Whats the answer to this ?

The second continental congress: A. Made provisions for a continental army with George Washington as commander-in-chief B. Adopted a “declaration of causes of

When you burn natural gas in the laboratory, methane burns. What numbers fill in the blanks to balance this equation? ___CH4 + ___O2 ? ___CO2 + ___H2O A. 1, 2,

Given: Circle O, CD is diameter, Chord AB || CD. Arc AB = 74°, Find Arc CA.

If one thinks illegal immigrants should become American citizens, should they become American citizens automatically or should there be a waiting period? If th

which british general is in charge of the war effort in the south