Yes they can have a trace of polar in them
Answer:
B
Explanation:
you're moving the decimal 8 spots to the left so it can only be B
Answer:
Explanation:
<u>1. Molar masses of the two compounds</u>
i) Vitamin C:
Formula: C₆H₈O₆
ii) Sucralose
<u>2. Molarity of the solution:</u>
The osmotic pressure is a colligative property which can be calculated using the following equation:
Where:
- Π is osmotic pressure (atm) = 3.04 atm
- M is the molar concentration of dissolved species (mol/L).
- R is the ideal gas constant = 0.08206 L-atm/mol- K
- T is the temperature (Kelvin) = 295 K
You can solve for M:
<u>3. Number of moles</u>
You can calculate the number of moles of the dissolved species using the formula:
<u>3. Equation to find moles of each compound</u>
Number of moles of each compound:
i) Vitamin C
Let x be the mass in grams of vitamin C in the 1.124g sample. Then, 1.124g - x is the mass of sucralose.
- Number of moles = mass in grams / molar mass
- Number of moles = x / 176.13 g/mol = x / 176.13
ii) Sucralose
- Number of moles = (1.124g - x) / 397.64 g/mol = (1.124 - x / 397.64)
iii) Total moles equation:
Then,
And the mass percent of vitamin C and sucralose are:
Answer:
+1
Explanation:
A sodium atom can lose its outer electron. It will still have 11 positive protons but only 10 negative electrons. So, the overall charge is +1.
Answer:
This can be proved by the following activity: Take some Iron fillings and dip them in the Copper sulphate solution. After some time you will notice that there is a colour change in the solution which is caused due to the displacement of Copper from it solution.
Explanation: