Answer:
Molecular Formula = N₃P₃Cl₆
Explanation:
Molecular formula is calculated by using following formula,
Molecular Formula = n × Empirical Formula ---- (1)
Also, n is given as,
n = Molecular Weight / Empirical Formula Weight
Molecular Weight = 347.64 g.mol⁻¹
Empirical Formula Weight = 1 (N) + 1 (P) + 2 (Cl) = 115.88 g.mol⁻¹
So,
n = 347.64 g.mol⁻¹ ÷ 115.88 g.mol⁻¹
n = 3
Putting Empirical Formula and value of "n" in equation 1,
Molecular Formula = 3 × NPCl₂
Molecular Formula = N₃P₃Cl₆
- Naturally occurring
- Inorganic
- Solid
- Definite chemical composition
- Ordered internal structure
A mineral has to be naturally occurring. Coal is not a mineral because it is carbon-based and comes from fossilized plants. Glass is non-crystalline solid.
Answer:
net force is 80n ‐40n=40newton
the direction of motion is right
Answer:
They usually lose electrons to form ions with 2 positive charges
Explanation:
Answer:
= 25 ppm
Explanation:
- PPM also refers to parts per million, it represents a low concentration of a solution. It represents 0.001 gram or a milligram in a 1000 mL, which equivalent to 1 mg per liter.
Given; a sample size of 2000 g contained 0.050 g DDT
It means, 2000 mL sample contained 50 mg DDT
Therefore in ppm we get;
= 50 mg/ 2 L
= 25 mg/L
<u>= 25 ppm</u>
