Answer:
Al(s) + 3HCl(aq) → AlCl₃(aq) + 3/2H₂(g).
Explanation:
- We should apply the law of conversation of mass to balance any chemical reaction; that the no. of atoms in the reactants side is equal to that in the products side.
So, the balanced equation is:
<em>Al(s) + 3HCl(aq) → AlCl₃(aq) + 3/2H₂(g).</em>
Answer: C
Until an unbalanced force occurs
A neutral atom in its ground state contains 28 electrons. this element is considered a <span>transition </span>element, and has 8 electrons in orbitals with l = 2.
Electron configuration: ₂₈X 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁸ 4s².
l is azimuthal quantum number, l = 2 describes d orbital. There is eight electrons in 3d orbital.
Peter Parker is 28 years old in the 616 Marvel Universe. This answer is subject to change, as writers may adapt the age through their stories. Peter's age is somewhat fluid, aging in real time at some points, while almost not aging at all for some periods.
Volume of 3M solution: x
Moles in 3M solution: 3x
C = n/V
1,8 = 3x/0,05dm³
0,09 = 3x
x = 0,03dm³
A student need 0,03dm³ 3M HCl and 0,02dm³ of water.