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!
Homogeneous mixture<span>steel
</span>element<span>sodium
</span>mixture, homogeneous<span>brass
</span>
When a red blood cell<span> is </span>placed<span> in a </span>hypertonic solution<span>, it shrinks as water is drawn
</span> cells<span> change size when </span>placed<span> in </span>solution<span> with different </span>salt<span> concentration is due </span>
There isn't any molecules in plasma, hope this helps