Answer:
5.35
Explanation:
Value 5.00 6.00 7.00
Weight 75.0% 15.0% 10.0 %
We can determine the weighted average of these values using the following expression.
Weighted average = ∑ wi × xi
where,
w: relative weight
x: value
Weighted average = 5.00 × 0.750 + 6.00 × 0.150 + 7.00 × 0.100
Weighted average = 5.35
Answer:
Mole percent of 
in solution is 1.71%
Explanation:
Number of moles of a compound is the ratio of mass to molar mass of the compound.
Molar mass of = 110.98 g/mol
Molar mass of 
= 18.02 g/mol
Density is the ratio of mass to volume
So, mass of 60.0 mL of water = 
Hence, 6.50 g of = 
of = 0.0586 moles of
60.8 g of = 
of = 3.37 moles of
So, mole percent of in solution = \frac{n_{CaCl_{2}}}{n_{total}}\times 100% = 
% = 1.71%
Answer: Option (d) is the correct answer.
Explanation:
An electrolytic solution which is conductive in nature, that is, a solution that has ions or atoms.
In the given options, sports drink, sweat, and ocean water are all electrolytic solution.
Whereas pure water has pH equals to 7, that is, pure water is neutral. Thus, we can conclude that pure water is not an example of an electrolytic solution.
Answer:
1
Explanation:
ionic is transfer of electrons from metal to non metal while covalent is sharing electrons between two non metals
