david0208 david0208

13-01-2016
Chemistry

Answered

How many moles are in 2.3 grams of phosphorus

Please round to significant number i got .07 after round it to the significant number lease correct me i'm wrong

Verified Answer :

Willchemistry Willchemistry

13-01-2016

Molar mass of phosphorus (p) : 30.9 g/mol

1 mole P ----------- 30.9 g
x mole -------------- 2.3 g

30.9 x = 2.3 1

30.9 x = 2.3

x = 2.3 / 30.9

x = 0.07 moles

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