Answer: The mass percent of [tex]NaCl[/tex] is 6.3 % and mass percent of water is 93.7%.
Explanation:
To calculate the mass percent of element in a given compound, we use the formula:
[tex]\text{Mass percent }=\frac{\text{Mass of given compound}}{\text{Total mass}}\times 100[/tex]
Given :
Mass of [tex]NaCl[/tex] = 13.5 g
Mass of water = 250.0 g
Putting values in above equation, we get:
[tex]\text{Mass percent of}NaCl=\frac{13.5}{13.5+250.0}\times 100=6.3\%[/tex]
Hence, the mass percent of [tex]NaCl[/tex] is 6.3 %.
Putting values in above equation, we get:
[tex]\text{Mass percent of water=\frac{200}{13.5+250.0}\times 100=93.7\%[/tex]
Hence, the mass percent of water is 93.7 %.