Answer:
0.779 cube centimetres
Explanation:
density = mass divided by volume
rearrange the equation to solve for volume: 
plug in the corresponding values:
volume = 6.130 g / 7.87 (gcm^3)
the gs cancel, the answer will be 0.7789
we will round to three sig figs, since that's the lowest amount of figures in the given values: ~0.779 cm^3
<span><span>KrF2‡ </span>5 <span>trigonal bipyramid</span></span>
According to the FDA, products labeled gluten-free must contain less than 20 milligrams of gluten