Seudónimo Seudónimo
  • 01-06-2015
  • Chemistry
contestada


What is the gram-formula mass of (NH4)3PO4?(1) 112g/mol (2) 121g/mol (3) 149g/mol (4) 242g/mol

Respuesta :

lulu1991
lulu1991 lulu1991
  • 01-06-2015
The gram-formula mass means that the mass of one mole molecule. Then you just need to calculate the elements together. So the gram-formula mass of (NH4)3PO4 is equals to (14+4)*3+31+16*4= 149g/mol. So the answer is (3).
Answer Link

Otras preguntas

What’s the answer????
Which of the following best describes the purpose of an outline? used to organize information into chronological order used to identify information that needs t
What’s the median of the data on the dot plot? HELP ITS DUE IN ONE HOUR
Name one social condition that people used Social Darwinism to justify.
What type of problem appears in this sentence? The type of chicken you choose matter because breeds differ in size. The verb matter doesn't work with the subjec
What’s unique about New Cashierless stores?
REREAD Reread the poem. What can you infer about what the flowers and the weed represent?
A certain circuit is properly fused for a 5-horsepower motor. If the motor is to be replaced by several 5/8 horsepower motors, how many motors will the fuses be
Organisms that live in the splash zone must be adapted for
which statement correctly quotes text from the passage