what is the mass of 0.3 mol of kmno4?\nmolar mass kmno4 = 158.04 g/mol\n0.3 mol kmno4 = ? g kmno4

Explanation:

Step1: Recall the formula

The formula to calculate mass ($m$) from amount of substance ($n$) and molar mass ($M$) is $m = n\times M$.

Step2: Substitute the values

Given $n = 0.3\space mol$ and $M=158.04\space g/mol$. Substitute into the formula: $m=0.3\space mol\times158.04\space g/mol$.

Step3: Calculate the mass

$m = 0.3\times158.04 = 47.412\space g$.

Answer:

$47.412\space g$