Answer:
12.
1 + 2 + 1 = 4 + 1 + 2 + 1 + 4 = 12 = 4 + 1 + 2 + 1 + 4 = 1 + 2 + 1
To calculate moles, use the formula Mol = Mass/ Mr.... Mr of NaOH is 23+ 16 + 1 = 40.... Mol = 12.64/40 = 0.316
Solid substances cannot raise to the top of the ‘card’. They need to be in liquid form.
Answer: When an electric current is passed through a substance to effect a chemical change.
Explanation:
<em><u>Atomic;</u></em>
<em><u> Numb...</u></em>
<em><u>SymbolN</u></em>
<em><u>ame</u></em>
<em><u>Atomic Mass...1HHydrogen1.007972HeHelium4.002603LiLithium6.941</u></em>
