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

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

all fractions between 0 and 1/4

a person who studies word origins and meanings would most likely be a

Round 13 513 to the nearest thousand

Question: 35/8 ( write as mixed number ) Please help me very very quickly!!!!!!!!!!!!!!!!!!!

Question: 35/8 ( write as mixed number ) Please help me very very quickly!!!!!!!!!!!!!!!!!!!

name 2 sound devices and what type they are from the song Where Is The Love by the Black Eyed Peas.

a person who studies word origins and meanings would most likely be a

Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies one inequalities but not them all

name 2 sound devices and what type they are from the song Where Is The Love by the Black Eyed Peas.

2(n-3)=4n+1 this sucks not knowing the answer