Answer:
7 mol Fe
General Formulas and Concepts:
<u>Chemistry</u>
Explanation:
<u>Step 1: Define</u>
RxN: Zn (s) + FeSO₄ (aq) → ZnSO₄ (aq) + Fe (s)
Given: 7 moles Zn
<u>Step 2: Stoichiometry</u>
<u />
= 7 mol Fe
<u>Step 3: Check</u>
<em>We are given 1 sig fig.</em>
Since our final answer is in 1 sig fig, there is no need to round.
Answer:
Aqua regia is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals.
Explanation:
Answer:
It is A) Calcium
Explanation:
Calcium has an electronic configuration of 2,8,8,2
A solid that has a high to very high melting point, great hardness, and poor electrical conduction is an : E. Ionic solid
Ionic solid consist of oppositely charge ions. One of the example of Ionic solid is salt (NaCl)
hope this helps