EmanuelPT2 EmanuelPT2

02-07-2022
Chemistry

contestada

What is the molar concentration of
a solution with a volume of 1.5 L
containing 660 g Ca3(PO4)2?

What is the molar concentration of a solution with a volume of 15 L containing 660 g Ca3PO42 class=

Respuesta :

brentvanmele brentvanmele

02-07-2022

Answer:

1.42 M

Explanation:

First calculate the amount of moles.

that's done by dividing the mass with the molecular mass so 660g / 310.18 g/mol = 2.13 mol

Then you can calculate the molarity by dividing the moles with the volume so 2.13 mol / 1.5 l = 1.42 M

(without rounding: 1.418531175 M)

Answer Link

Otras preguntas

Where did these ideas from the US Constitution supports policies most similar to those the Mongols adopted in Coquered Islamic territories

The equation $a^7xy-a^6y-a^5x=a^4(b^4-1)$ is equivalent to the equation $(a^mx-a^n)(a^py-a^2)=a^4b^4$ for some integers $m$, $n$, and $p$. Find $mnp$.

what was the sugar act?

which problem does the following sentence have. At the air show, three military fighters and an army helicopter is available for tours.

from the text,you know george's parents

with what arguments does Lady Reason seems the intelligence of women ?

Every time an impulse travels down the axon, we say that the axon has "fired," or "responded." this impulse is also called the

Can anybody help me get this right?

Line CD contains points C(7, 4) and D(6, 1). Line JK is parallel to line CD. Which two points lie on line JK? A) J(−4, 1) and K(−2, 7) B) J(6, −3) and K(1, −2)

Need help on geometry Please