Answer:
68°
Step-by-step explanation:
Since, angle subtended on the circumference of the circle is half angle subtended on the center of the circle.
The molar mass of NaCl is 58.44 g / mol. So we can calculate
the mass by simply multiplying the number of moles and molar mass. That is:
mass = 1.40 moles * 58.44 g / mol
mass = 81.82 grams
Lol i think skip counting sorry if I'm wrong, 21,24,27,30
The expression that does not represent the sum of n and 6 is 6n
That's fairly easy:
9 ft * 6 ft * 4 ft = 216 cubic feet