Question

calculate the number of moles in 50 grams of NaCl​

Answer 1

Answer:

Given mass of NaCl = 50g

Molar mass = 23 + 35.5 = 58.5g

Formula for the no. of moles -:

No. of moles = given mass/molar mass

Here,

n = 50/58.5 = 500/585 = 0.85 moles

Answer 2

Answer:

. Na has an atomic mass of 23 and Cl is 35.5. So the Mr(NaCl)= 23 + 35.5 = 58.5. Putting all of this into our moles equation gives us the answer: moles= 50/58.5 = 0.855 moles (3sf).

Explanation:

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