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victus00 [196]
3 years ago
12

2. (10 Points) Several fast-acting medications are sold as powders, sometimes

Chemistry
1 answer:
Mila [183]3 years ago
3 0
The fact that you want to yes is funny
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When atoms come together, there is _______ between the negative electrons clouds.
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I think the answer is ‘repulsion’
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3 years ago
what is the molecular formula for a compound with the empirical formula: K2SO4 and a molecular mass of 696g​
LekaFEV [45]

Answer:

K8S4O16 or K8(SO4)4 depending on if the SO4 is supposed to represent sulfate or not

Explanation:

Find the molar mass of K2SO4 first:

2K + S + 4O ≈ 174 g/mol

Divide the goal molar mass of 696 by the molar mass of the empirical formula:

696 / 174 = 4

This means you need to multiply everything in the empirical formula by 4:

K2SO4 --> K8S4O16 or K8(SO4)4 depending on if the SO4 is for sulfate or not

4 0
2 years ago
If the natural abundance of Ag-107 is 51.84% what is the abundance of Ag-109?
ASHA 777 [7]

Answer:

Explanation:

48.16%

Well, both abundances have to total 100% so is Ag-107 is 51.84%, then Ag-109 must be 100 – 51.84 = 48.16%.

Hope This Helps :)

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3 years ago
Please Help Me!
avanturin [10]

Answer:

B) Cu(s) is metal that reacts spontaneously with NiCl2(aq).

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3 years ago
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Hiya if you answr more than 5 = extra points please answer and least 3 lol and maybe explain how i can do it
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