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2 years ago

HURRY PLS

Chemistry

1 answer:

Rudik [331]2 years ago

3 0

Answer:

Option A

Explanation:

Remember than while finding conjugate aCid add a H+ to the base or compound

.Here

Water+H+

H_20+H+
H_3O+

Option A

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Which of the following is not a part of john daltons atomic theory? A) matter is made of atoms

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Atoms are made of subatomic particles is the statement among the statements given in the question that is not a part of John Dalton;s atomic theory. The correct option among all the options given in the question is the second option or option "B". I hope the answer helps you.

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4 years ago

Which of the elements listed would have the greatest electronegativity?

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3 years ago

A compound is 21.6% Mg, 21.4% C, and 57.0% O. What is the empirical formula of the compound?

nignag [31]

Answer:

Compound x = $MgC_{2}O_{4}$

Explanation:

Let the compound be x

Assuming we have a 100g of compound x

Given the following data;

Magnesium, Mg = 21.6% = 21.6g

Carbon, C = 21.4% = 21.4g

Oxygen, O = 57.0% = 57.0g

Now, we would find the amount of moles for each element.

Atomic mass of Mg = 24.30g

Atomic mass of C = 12.01g

Atomic mass of O = 16.00g

Amount of moles for Mg;

21.6*(1/24.30) = 0.89mol

Amount of moles for C;

21.4*(1/12.01) = 1.78mol

Amount of moles for O;

57.0*(1/16.00) = 3.56mol

We then divide by the smallest to find the ratio;

0.89/0.89 = 1 Mol of Mg

1.78/0.89 = 2 Mol of C

3.56/0.89 = 4 Mol of O

Therefore, the ratio of Mg, C and O is 1:2:4.

Compound x = $MgC_{2}O_{4}$

Hence, the empirical formula of the compound is $MgC_{2}O_{4}$

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3 years ago

can we stir silver nitrate solution with copper spoon? why or why not? support your answer with reason.

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↪ Hello miss "galaxyu035" here's your answer for the question you wrote.

Answer :

No, we cannot stir silver nitrate solution with a copper spoon because , copper is more reactive than silver. Thus,it would displace silver from the silver nitrate solution forming copper nitrate.

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4 years ago

What is the compound KNC called?

rodikova [14]

The answer is Potassium cyanide

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4 years ago

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