Answer:
I) descending order first highest to smallest Ar Ne He ii) Bromomethane chloromethane Fluoromethane
Answer:
Mass percent = 5.44 %
Explanation:
Given data:
Mass of solute (NaCl) = 13.6 g
Mass of solution = 250 g
Mass percent of solution = ?
Solution:
Formula:
Mass percent = mass of solute / mass of solution ×100
Mass percent = 13.6 g / 250 g × 100
Mass percent = 0.0544 × 100
Mass percent = 5.44 %
How many grams of glucose is dissolved in 2.88% glucose solution if 1944 grams of water is used???? The answer is C. 56 grams
Hey there !
Solution :
Moles of solution = 5.0
Volume of solution = 10 L
Therefore :
M = n / V
M = 5.0 / 10
= 0.5 M
Answer:
It gives the number of protons in the nucleus of each atom of that element.
Explanation:
