Answer:
16 Molarity
Step-by-step:
M= mols/L
M= 8mols/.5L
M= 16 Molarity
Would an atom of sodium and an atom of potassium join to form an ionic compound?
2 answers:
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10g
Explanation:
Box 1, Mass of A = 10g
Box 2, Mass of B = 5g
Box 3, = 1A + 1B
Unknown:
Mass of B that would combine with mass of 20g of A
Solution:
Mass ratio of A to B:
= mass ratio
= mass ratio
The mass ratio of A to B = 2: 1
Now, number of B that will combine with 20g of A;
= mass ratio
=
Mass of B = 10g
10g of B would combine with 20g of A
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