Answer:
1. 1.100x10⁴mg
2. 2444mg
Explanation:
1. The 18.00g milk chocolate bar contain 11.00g of sugar. In miligrams:
11.00g * (1000mg / 1g) = 1.100x10⁴mg
2. If a bar of 18.00g contain 11.00g of sugar, a bar of 4.000g will contain:}
4.000g bar * (11.00g / 18.00g) = 2.444g of sugar.
In miligrams:
2.444g * (1000mg / 1g) = 2444mg
b2+ + 2 NO3- + 2 Na+ + 2 I- >> PbI2 (s) + 2 Na+ + 2 NO3-
net ionic
Pb2+ + 2 I- >> PbI2
Ksp = [Pb2+] [I-]^2
Ksp = 7.1 x 10^-9
molar solubility
let x = mol/L of Pb2+ that dissolve . This will give x mol/L Pb2+ and 2x mol/L I-
7.1 x 10^-9 = (x) (2x)^2 = 4x^3
molar solubility = 0.0012 M
~~thanks to google research~~
A. Covelant bonds
B. Ionic bonds
Answer: The distance of the earth from the sun is 
Explanation:
Speed of light = 
Time taken to travel from sun to earth = 8.30 mins = 
(1min=60 s)
As we know ; Speed is defined as the distance travelled per unit time.
Hence distance between sun and earth =
Thus the distance of the earth from the sun is
