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

helpppppppppppppppppppppppppppppppppppppppppppp

Which graph shows the solution to the system of linear inequalities? x + 3y > 6 y ≥ 2x + 4

What 2 Islamist military groups have been spreading across Africa?

If g(t) = 36t, then g is proportional to t. What is the constant of proportionality?

Reason why they should lower the voting age

Item9 10 points Time Remaining 42 minutes 16 seconds00:42:16 PrintItem 9Item 9 10 points Time Remaining 42 minutes 16 seconds00:42:16 TB MC Qu. 06-99 At the end

2. A store is selling carpet steam cleaners for $350. It costs them $100 to manufacture these steam cleaners. What is the numerical profit margin and the markup

A line that contains the point (0,4) if the slope of the line is m=5 write the equation of the line using slope intercept form

PLZ ANSWER GUYS I AM CRYING PLZ HELP PLZ PLZ PLZ. Look at the screenshot. The topic it is talking about in the screenshot is Amendment 76: Citizenship Qualifica

If salmon cost $6.5 per pound, what is the total cost of 1.3 pounds of salmon)