emluc7eweTam1mie emluc7eweTam1mie

03-01-2016
Chemistry

contestada

34 What is the gram-formula mass of Fe(NO3)3?(1) 146 g/mol (3) 214 g/mol
(2) 194 g/mol (4) 242 g/mol

Respuesta :

03-01-2016

Following the atomic mass of each of these atoms, we have 1 Fe atom with 56 amu, 3 N atoms with 14 each, and 9 O atoms with atomic mass 16. Adding these together, we get 56 + 42 + 144 = 144 + 98 = 242. Your answer is (4) 242 g/mol

Answer Link

Otras preguntas

Scientists who study Atlantic salmon have found that the oxygen consumption of a yearling salmon O is given by the function O=100. 3^(3s/5) , where s is the spe

find correct two decimal places, the radius of the circle with the given circumference: 35cm

Which group convinced President James Madison to go to war with England in 1812? A. land-hungry politicians from the West and South B. angry veterans of the Rev

why is a conductor important in science terms

Could someone who knows french help me write a past holiday paragraph??

Calculate the following limit:

would you please help me to solve this 9.1x10^-5)^-4

Complete the well-know saying: __________ blot ___________ copybook! ______________ not over till ___________ over.

PLEASE HELP The ratio of boots to sandals in a shoe store is 8:3. If there are 245 more boots that sandals in the store, how many boots are there?

write these fractions in ascending order. 5/8 3/4 1/2 9/16.