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How many moles are equal to a 0.25g sample of al?

2 Answers

8 votes

Answer:00926

Step-by-step explanation:

User Byeongin Yoon
by
3.3k points
9 votes

Answer:

0.00926

Step-by-step explanation:

no. of moles = mass ÷ molar mass (RMM)

Molar mass of Al is 27.

∴ no. of moles = 0.25 ÷ 27

= 0.00926 moles (3 s.f.)

User Hussein
by
3.2k points