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pav-90 [236]
2 years ago
6

How many moles is 3.85 x 1025 atoms of gold?

Chemistry
1 answer:
stich3 [128]2 years ago
4 0

Answer:

3.45 x 10^24 x 1 / 6.022 x 10^23 = 573 

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How many moles of silver chloride, produced from 100 g of silver nitrate reacting with barium chloride BaCl2?
Dmitrij [34]

Answer:

Equation of Reaction

2AgNO3 + BaCl2 === 2AgCl + Ba(NO3)2

Molar Mass of AgNO3 = 170g/mol

Moles of reacting AgNO3 = 100g/170gmol-¹

=0.588moles of AgNO3

From the equation of reaction...2moles of AgNO3 reacts to Produce 2Moles of Silver Chloride

So Their ratio is 2:2.

This means that 0.588Moles of AgCl Will be produced too.

ANSWER...0.588MOLES OF AgCl WILL BE PRODUCED.

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2 years ago
2. List and elaborate on at least two limitations of the 24-hour recall as a
Pavlova-9 [17]

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The correct answer is - may not be typical, and participant burden.

Explanation:

The 24-hour recall is nothing but a retrospective method of diet assessment. In this method, an individual is interviewed about his or her diet consumption during the last 24 hours.

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How many electrons does the oxygen atom need to become stable?
NemiM [27]

Answer:

2 electrons

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