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A substance x has a mass of 0,20g and molecular mass of 40g/mol.Find the number of moles of substance x.​

Sagot :

mwabamwaba2004

Answer:

0,005

Explanation:

number of moles=mass/molecular mass

therefore it's going to be 0,20g over 40g/mol

which is 0,20g/40g/mol... grams and grams will cancel making the answer 0,005moles

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