Answer:
0.52 grams
Explanation:
To find the molar mass of Ba(NO3)2, use the periodic table and the mass of each element. Remember to multiply based on the number of atoms there are.
137.33 + [14.01+16(3)] 2 = 261.35
Now solve...
0.002 mol Ba(NO3)2 * 261.35 g Ba(NO3)2/1 mol Ba(NO3)2 = 0.5227
