brooklynartres brooklynartres
  • 06-11-2018
  • Chemistry
contestada

James needs 4.20 moles of NaBr for an experiment. How many grams of NaBr must he measure out to have 4.20 moles?
A. 24.5
B. 103
C. 183
D. 432

Respuesta :

SchwarzschildRadius
SchwarzschildRadius SchwarzschildRadius
  • 06-11-2018

So,

Our conceptual plan is as follows:

mol NaBr --> g NaBr

Use the molar mass of NaBr to convert from mol NaBr to g NaBr.

[tex]4.20mol\ NaBr\ *\frac{102.89g}{mol} \\ \\ =432g\ NaBr[/tex]

Hope this helps!

Answer Link
anahisruiztorres anahisruiztorres
  • 22-07-2020

Answer:

D

Explanation:

Answer Link

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