The picture shows a spoonful of salt being added to a glass of water. What physical property of the salt is being demonstrated?A
.
A.
solubility
B.
density
C.
boiling point
D.
melting point
A.
solubility
B.
density
C.
boiling point
D.
melting point
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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