Answer:
The answer to your question is:
Explanation:
Atomic radii Electronegativity
1.- Neon - Neon -
2.- Xenon - Cf -
3.- Fr - Eu -
4.- Ra - Fr 0.7
5.- Cf - Cs 0.79
6.- Se 116 Ra 0.9
7.- Si 118 Mg 1.31
8.- Ge 123 Nb 1.60
9.- Zn 133 Zn 1.65
10.- Nb 143 Bi 1.90
11.- Sb 145 Si 1.90
12.- Bi 155 Ge 2.01
13.- Mg 160 Sb 2.05
14.- Eu 199 Se 2.55
15.- Cs 265 Xe 2.60
Answer:
because it's soaked in a mix of alcohol and water
Explanation:
the bill absorbs the water and the alcohol burns off
Answer:
The answer to the question is
The solution contains 4.73 % by mass of NaCl
Explanation:
To solve this we list out the variables thus
The Molarity of NaCl = 0.850 M,
Density of solution = 1.05 g/mL
Molar mass of NaCl = 58.44 g/mol
Therefore mass of NaCl in he solution = (58.44 g/mol) × (0.850 M) = 49.674 g of NaCl
However the density = 1.05 g/mL or 1050 g/L
Therefore the mass percent of NaCl in 1 liter of solution or 1050 g of solution = (49.674/1050) × 100 = 4.73 %
The concentration of NaCl in mass percent = 4.73 %