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

when a car climbs a hill, it only has potential energyTrue or false

Because the current in the equivalent resistor of Sample Problem A is 0.50 A, it must also be the current in each resistor of the original circuit. Find the pot

How do similar amounts of light transmit through and reflect off the one-way mirror?

How does the comparison of sugar to honey reveal the authors’ purpose?

PLEASEEEE HELP ILL MARK BRAINLIEST + 15 points Squealer uses propaganda techniques on pages 35-36 when speaking to the other animals on the farm. Find an exampl

Which statement is a theme that could be found in a literary text? (A) many animals around the world are dangerous (B) all runners are very athletic (C) look

what is the answer for "?" please.

Which sequence best describes asexual reproduction?

if the diameter of a circular wall clock is 30 cm, what is the area of rhe clock?

Holding (owning) a Brazilian passport is an example of:MultinationalismNationalityPatriotismNationalism