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Sever21 [200]
3 years ago
15

What mass of NaOH is needed to make 500mL of 4M solution

Chemistry
1 answer:
stira [4]3 years ago
8 0

Answer:

80.0 grams NaOH

Explanation:

500 mL = 0.500 L

M = moles / liters

4 M =    x moles / 0.500 L

Multiply both sides by 0.500 L

2 moles = x

Convert moles to grams

2 moles NaOH x (39.998 grams NaOH / 1 mole) = 80.0 grams NaOH

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How is the name of the second element in a covalent molecule changed
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Answer:

See explanation

Explanation:

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lutik1710 [3]

The number of turns that citric acid cycle will turn when 57.3 g of glucose (C6H1206) is oxidized in the cells is 1.92 × 10²³ turns.

<h3>How to calculate number of turns?</h3>

According to this question, Acetyl CoA turns the citric acid cycle one turn.

First, we find the number of moles of 57.3 grams of glucose by dividing by its molar mass of 180g/mol.

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Next, we multiply the number of moles by Avogadro's number i.e. 6.02 × 10²³ molecules.

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Learn more about no of turns at: brainly.com/question/1747943

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