Answer:
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Answer:
1 mole
Explanation:
No of moles=mass/molar mass
molar mass=23+1+16=40
No of moles=40/40
No of moles=1
Answer:
b. I2
Explanation:
I-I is covalently bonded and also diatomic , that's y!
✌️:)
Sodium bicarbonate is commonly known as baking soda. The scientific name is NaHCO3. Baking soda is an alkaline compound found in crystalline form in nature.
Hope this helped
Brainliest is appreciated
Good luck
~ Emmy
Answer:
2.5 mL of 1.0 x 10⁻⁴ M solution needs to be added
Explanation:
M₁ (Molarity after dilution) = 1.0 x 10⁻⁵ M
V₁ (volume after dilution) = 25.0 mL
M₂ (molarity before dilution) = 1.0 x 10⁻⁴ M
dilution equation is written as M₁V₁ = M₂V₂
Making V₂ the subject of formula
V₂ = M₁V₁ / M₂
Substitute the parameters in the equation,
V₂ = 1.0 x 10⁻⁵ x 25.0 / 1.0 x 10⁻⁴
= 2.5 mL
Volume of the solution before dilution is 2.5 mL
Repeat same step for the next