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

Consider the plot of f(x) = 10ˣ. Write the equation of line l.a) y = 10xb) y = 10ˣ+¹c) y = log(base 10)(x)d) y = log(base 10)(10x)

Structure for meta dibromobenzene

a 9-pack of bracelets costs 7.65 what is the unit price

What happens to pH when PCO2 increases above 45 mm Hg?-pH will fall from 7.4 to 7.35.-pH will stay the same.-pH will rise above 7.4.-pH will fall below 7.35.

Sale 70% OFF! Gwen wants to buy a laptop computer. The original price is $720. What is the sale price?

12 cookies for 3 people which is the model

We eat so that we may live change into simple

Finland briefly had a King in 1918. From which country's royal family was he taken?

The destruction of which structure signaled the end of the Cold War? 1) Berlin Wall 2) The Statue of Stalin 3) Military bases in Germany 4) None of the above

Two experimental runs are performed to determine the calorimetric properties of an alcohol that has a melting point of -10°C. In the first run, a 200-g cube of