Moles = mass / Mr
= 0.4243 / 100.1
= 4.239 x 10⁻³ mole of CaCO₃
Sorry I don't like science
Answer:
D
Explanation:
I don't exactly remember his four points, but the D. is just not true anyway. For example, a molecule of water (H20) does that have the same properties or mass as Nitrogen dioxide or sulfer dioxide or something else
Hello there!
Your answer is: <span>A) Sarah walks quickly across the carpet in socks and feels a small shock on her foot.
This is because this could happen with out man-made electrical appliances. Light bulbs, wall sockets, and curling irons are all man-made, therefor not naturally-occurring. </span>
I hope I helped!
Let me know if you need anything else!
~ Zoe