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Question: could someone assist me with these two questions what is...

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Could someone assist me with these two questions?

 

What is the number of mole of potassium chloride in 100 grams of KCl?

(Atomic masses: K = 39.1 g/mol, Cl = 35.5 g/mol)

 

What is the mass in grams of 0.1 mole of sodium sulfite, Na2SO3?

(Atomic masses: Na = 23.0 g/mol, S = 32.1 g/mol, O = 16.0 g/mol)

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