The relation between density, mass and volume is
[tex]Density = \frac{Mass}{Volume}[/tex]
1) to calculate = volume
given:
Density = 0.0915 g/ mL
mass = 17.7 grams
formula used:
[tex]Density = \frac{Mass}{Volume}[/tex]
Thus
Volume [tex]Volume = \frac{Mass}{Density} = \frac{17.7 g}{0.915 \frac{g}{mL} } = 193.44 mL[/tex]
Answer: 193.44 mL
2) the mass of sample will be
[tex]mass = density X volume = 0.0915\frac{g}{mL} X 76.5 mL = 6.99 = 7 g[/tex]
Answer: 7 g