Chemistry, asked by jalba067855, 4 months ago

How many moles in a 42 gram samples of NaOH?

Answers

Answered by mariamdalaba2008

1

Answer:

0.5 moles

Explanation:

⇒ Number of moles which make up 20 grams of NaOH = (20 grams × 1 Mole)/(40 grams) = 0.5 moles.

Answered by usernametaken8

4

Explanation:

Molar mass of NaOH= 23+16+1= 40 gm

Therefore, moles = 42/40 = 21/20 = 1.05 moles

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