Atomic mass Calcium ( Ca) = 40.078 u.m.a
40.078 g --------------- 6.02x10²³ atoms
187 g ------------------- ??
187 x ( 6.02x10²³) / 40.078 =
1.125x10²⁶ / 40.078 = 2.808x10²⁴ atoms
hope this helps!
Boyle's law which plays a major role in the kinetic-theory states that Volume and Pressure are inversely proportional
D...........................
Answer: 4.) CH3O is the answer, which stands for Methoxide.
Explanation: