Use the periodic table, the table of common polyatomic ions, and the rules for naming ionic compounds to name the ionic compound
2 answers:
Answer:
The name of the given ionic compound is Aluminum oxide
Explanation:
Given ionic compound =
The nomenclature of ionic compounds is given by:
1. Positively charged ion is written first.
2. The negatively charged ion is written next and a suffix 'ide' is added at the end of the negative ion.
The name of the given ionic compound is Aluminum oxide
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Explanation:tr
a) Molar mass of HF = 20 g/mol
Atomic mass of hydrogen = 1 g/mol
Atomic mass of fluorine = 19 g/mol
Percentage of an element in a compound:
Percentage of fluorine:
Percentage of hydrogen:
b) Mass of hydrogen in 50 grams of HF sample.
Moles of HF =
1 mole of HF has 1 mole of hydrogen atom.
Then 2.5 moles of HF will have:
of hydrogen atom.
Mass of 2.5 moles of hydrogen atom:
1 g/mol × 2.5 mol = 2.5 g
2.5 grams of hydrogen would be present in a 50 g sample of this compound.
c) As we solved in part (a) that HF molecules has 5% of hydrogen by mass.
Then mass of hydrogen in 50 grams of HF compound we will have :
5% of 50 grams of HF =