Answer:
Total number of atoms in glucose are 24.
Explanation:
Photosynthesis:
It is the process in which in the presence of sun light and chlorophyll by using carbon dioxide and water plants produce the oxygen and glucose.
Carbon dioxide + water + energy → glucose + oxygen
water is supplied through the roots, carbon dioxide collected through stomata and sun light is capture by chloroplast.
Chemical equation:
6H₂O + 6CO₂ + energy → C₆H₁₂O₆ + 6O₂
Glucose molecule = C₆H₁₂O₆
Total number of atoms = 6+12+6 = 24
Types of atoms = 3 (C,H,O)
Molar mass KCl = 74.55 g/mol
Number of moles:
mass KC / molar mass
149 / 74.55 => 1.998 moles
Volume in liters: 500 mL / 1000 => 0.5 L
Therefore:
M = moles / volume
M = 1.998 / 0.5
M = 3.996 mol/L⁻¹
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Answer:C - 3.50g
Explanation:
To solve this problem, nitrogen is a gas and it's always two atoms of it in every reaction.
Using the formula
n = m/ Mm
n - number of mole
m - number of mass
Mm - number of molar mass
n = 0.125 mole
The molar mass of N2 = 14.0067 * 2 = 28.0134g/mol
(N - 14.0067 )
n = mass / molar mass
0.125 mol = mass / 28.0134g/mol
Mass = 0.125 * 28.0134
= 3.501675
= 3.50g
