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aivan3 [116]
3 years ago
8

Which of the following is NOT needed for photosynthesis to take place?

Chemistry
2 answers:
Anna [14]3 years ago
6 0
You do not need Glucose
sashaice [31]3 years ago
3 0
A. Glucose
you only need 4 things to form photosynthesis
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Calculate the molarity of a MgSO4, solution
Gala2k [10]

Answer:

0.058M is molarity of the solution

Explanation:

Molarity is defined as the ratio between the moles of solute (In this case, MgSO₄) and the liters of solution.

In the problem:

<em>Moles MgSO₄: 0.32 moles</em>

<em>Liters solution: 5.5L</em>

<em />

Molarity is:

0.32 moles / 5.5L =

0.058M is molarity of the solution

6 0
3 years ago
An aqueous solution of acetic acid is found to have the following equilibrium concentrations at 25 C:
yarga [219]

Answer: 1.79 x 10^-5

Explanation: The equilibrium constant of a reaction can be calculated from the quotient of the concentrations of the products over the concentrations of the reactants, with each termed raised to their respective stoichometric coefficients.

For acetic acid, this equilibrium expression is:

Kc=\frac{[H+] [CH3COO-]}{[CH3COOH]}

Replacing the equilibrium concentrations given by the exercise into the expression above, the equilibrium constant, Kc will be obtained and it is found to be equal to 1.79 x 10^-5.

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3 years ago
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WARRIOR [948]

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Marianna [84]

Answer:

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What volume of a 1.0 M HCl is required to completely neutralize 25.0 ml of a 1.0 M KOH?
Karo-lina-s [1.5K]
x 0,025
HCl+KOH--> KCl + H2O
1 1


c=1M
V=25ml=0,025l ( you need the volume to be in l)
c = n/V
n=c*V
n=1*0,025=0,025 m KOH


x=0,025m
c=1 M
V=n/c
V=0,025/1=0,025l=25ml HCl
3 0
3 years ago
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