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Diano4ka-milaya [45]
2 years ago
15

How many moles are in 152 grams of H20?

Chemistry
2 answers:
blagie [28]2 years ago
8 0

Answer:

8.44moles

Explanation:

8.44moles

anastassius [24]2 years ago
4 0

Answer:

8.437282129392383

Explanation:

We assume you are converting between grams Water and mole.

You can view more details on each measurement unit:

molecular weight of Water or mol

The molecular formula for Water is H2O.

The SI base unit for amount of substance is the mole.

1 grams Water is equal to 0.055508435061792 mole.

Note that rounding errors may occur, so always check the results.

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Arrange the following compounds in the order of increasing reactivity toward nucleophilic acyl substitution, with least reactive
lutik1710 [3]

Answer:

The correct order of increasing reactivity toward nucleophilic acyl substitution is E < D < C < A < F < B.

Explanation:

The stability of the leaving group best determines the manner of reactivity of carboxylates to nucleophilic substitution after the substitution of the nucleophile to the leaving group. The leaving group should, therefore, be protonated with hydrogen ion in the solution to form a stable molecule. From the given list: The leaving group for A, Ethyl thioacetate will be ethanethiol. For B, Acetyl chloride will be Hydrochloric acid. For C, Sodium acetate will be Sodium Hydroxide. For D, Ethyl acetate will be Ethanol. For E, Acetamide will be Ammonia, and for F, Acetic anhydride will be Ethanoic acid. The reactivity of the substitution reaction is dependent on the stability of these leaving groups. The stability of these leaving groups depends on their pKa, and the more the pKa, the lesser the acidity of the leaving group, and the lower the reactivity. Therefore, considering their pKa: A is 8.5, B is -7, C is 13.8, D is 15.9, E is 36, and F is 4.8. When we rearrange this pKa in descending order, we have E, D. C, A, F, B. Which is also the increased reactivity of the nucleophilic acyl substitution.

5 0
3 years ago
Please Help Me!!
Semmy [17]

Answer:

C or D

Explanation:

3 0
3 years ago
Read 2 more answers
What is the molarity of a 0.25-liter solution containing 52 grams of HBr? (1 point)
Pani-rosa [81]

2.6 M hBr

This would be the correct answer.

3 0
3 years ago
We place 1.32 mol pcl5in a 1.0 l flask and allow it to reach equilibrium at a given temperature. what is the final concentration
Lady_Fox [76]
I have no idea, sorry
8 0
3 years ago
How is the mass of 1 mole of an element determined
Tatiana [17]

One mole (abbreviated mol) is equal to 6.022×1023 molecular entities (Avogadro's number), and each element has a different molar mass depending on the weight of 6.022×1023 of its atoms (1 mole). The molar mass of any element can be determined by finding the atomic mass of the element on the periodic table.
3 0
3 years ago
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