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

What is the supreme law of the land?
round 75.4614 to the nearest thousandth
What was one important thing that Abraham Lincoln did?
True or False The segments shown below could form a triangle. A_________C is 6 C_____B is 5 B_____________A is 8
Under our Constitution, some powers belong to the states. What is one power of the states?
whats the y intercept of y= 1/2 log(x+1)-log(2x+10)
What is the name of the Speaker of the House of Representatives now?
Which compound yields H + ions as the only positive ions in an aqueous solution? (1) KOH (3) CH3OH (2) NaOH (4) CH3COOH
One beneficial use of radioisotopes is (1) detection of disease (2) neutralization of an acid spill (3) decreasing the dissolved O2(g) level in seawater (4) inc
Who is the Chief Justice of the United States now?