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How many moles are there in 47.2 grams of nacl? [use formula weight of nacl: 58.441 g/mol] A)89.5 mol B)0.808 mol C)1.09 mol D)32.4 mol E) None of the above
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How many moles are there in 47.2 grams of nacl? [use formula weight of nacl: 58.441 g/mol]

A)89.5 mol
B)0.808 mol
C)1.09 mol
D)32.4 mol
E) None of the above

User Genaray
by
7.5k points

1 Answer

4 votes

Answer:

B)0.808 mol

Step-by-step explanation:

The formula for moles:


moles = (mass)/(relative \: formula \: weight)


moles = (47.2)/(58.441) = 0.808(3dp)

User Deac Karns
by
7.3k points
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