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____ [38]
3 years ago
15

How many moles are in 1.2×10^3g of ammonia

Chemistry
2 answers:
Kruka [31]3 years ago
8 0

Answer:7.4 times 10^21 miles of ammonia

Explanation: use dimensional analysis chart and divide 1.2 times 10^ 23rd by 17.03 then you get your answer !!

Diano4ka-milaya [45]3 years ago
4 0

Answer:8

Explanation:

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I have 2 Valence electrons and 1 energy levels
natima [27]

Answer:

Hydrogen(H) and Heluim(He)

Explanation:

These are the only two valennce electrons and 1 energy levels.

3 0
3 years ago
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How many grams of nacl are required to make 500.0 ml of a 1.500 m solution?
mestny [16]
<span>43.83g of nacl are required to </span><span>make 500.0 ml of a 1.500 m solution.</span>
4 0
3 years ago
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Which yields H+(aq) as the only positive ion in an aqueous solution?(1) CH3CHO (2) CH3CH2OH (3) CH3COOH (4) CH3OCH3
Arte-miy333 [17]
If H+ would have to dissociate from a substance and must be the only positive ion in the solution that substance must be an acid.
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5 0
3 years ago
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Explain why aluminum does not react with potassium nitrate (KNO3) although it reacts with copper nitrate
Ratling [72]

Answer:

Potassium is more reactive than aluminium, so no reaction takes place. But aluminium is more reactive than copper, so it replaces the copper in copper nitrate

<h3>Explanation:</h3>

More reactive metal compound + less reactive metal

-> no reaction

However

Less reactive metal compound + more reactive metal

-> more reactive metal compound + less reactive metal

This is called substitution reaction where the more reactive metal replaces the less reactive metal in the compound.

7 0
2 years ago
Amoxicillin Suspension 125 mg/ 5 ml is 125 mg of Amoxicillin per 5 ml of suspension is an example of weight to ________.
kkurt [141]

Answer : Amoxicillin Suspension 125 mg/ 5 ml is 125 mg of Amoxicillin per 5 ml of suspension is an example of weight to volume.

Explanation :

Weight by volume (w/v) means that the mass of solute present in 100 mL volume of solution.

Weight by weight (w/w) means that the mass of solute present in 100 gram of solution.

Volume by volume (v/v) means that the volume of solute present in 100 mL volume of solution.

As per question, amoxicillin suspension is, 125 mg/ 5 ml that means 125 mg of Amoxicillin present in 5 mL of suspension. So, it is an example of weight to volume.

Hence, it is an example of weight to volume.

8 0
3 years ago
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