Question

given 146 g of nacl, determine the number of moles of nacl. 1 mol nacl = 58.44 g nacl ? mol nacl = 146 g nacl round your answer to two decimal places.

Explanation:

Step1: Use the formula for moles

The formula for calculating the number of moles \(n\) is \(n=\frac{m}{M}\), where \(m\) is the mass and \(M\) is the molar mass. Here, \(m = 146\space g\) and \(M=58.44\space g/mol\).

Step2: Substitute the values into the formula

\(n=\frac{146}{58.44}\)

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Answer:

\(2.50\)