ronTu3elaz5atounez ronTu3elaz5atounez
  • 04-06-2017
  • Chemistry
contestada

A chemist requires 0.450 mol na2co3 for a reaction. how many grams does this correspond to?

Respuesta :

Zaksomenumbers Zaksomenumbers
  • 04-06-2017
You will use mass=mole x Molar mass
The molar mass of Na2CO3 is 106
So 0.45 x 106 = 47.7 grams
Answer Link
JavierCollante
JavierCollante JavierCollante
  • 04-06-2017
to convert moles to grams, we need the molar mass of the molecule

molar mass of Na₂CO₃= (2 x 23.0) + 12.0 + (3 x 16.0)= 106 g/mol

[tex]0.450 mol \frac{106 grams}{1 mol} = 47.7 grams[/tex]
Answer Link

Otras preguntas

Which processes lead to most genetic variation in sexually reproducing organisms?
Suppose that out of 1500 first-year students at ICU, 350 are taking history, 300 are taking mathematics, and 270 are taking both history and mathematics. How ma
What would most likely be the purpose of a myth ?
4 1/5 - 1 2/3can you help me​
someone explain and help plsss
The membrane surrounding a bone is the ___________.
A 60-watt light bulb carries a current of 0.5 ampere. The total charge passing through it in one hour is:
which of the following is radical equation algebra II engenuity
An electron is moving east in a uniform electric field of 1.55 N/C directed to the west. At point A, the velocity of the electron is 4.52×105 m/s pointed toward
On a piece of paper, graph y+2>-3x - 3. Then determine which answer choice matches the graph you drew.