Masushiidn
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11. A beverage contains 3% alcohol which means that:
A. The solution contains 3mL of alcohol in 97mL of water.
B. The solution contains 30mL of alcohol in 70mL of water.
C. The solution contains 300mL of alcohol in 700mL of water.
D. The solution contains 100mL of alcohol in 100mL of water.
12. What is the percentage concentration in the following solution given that 5g sucrose in 90g water?
A. 4 %
B. 5%
C.6%
D. 7%
13. Sterling silver contains 95% silver. If a necklace made of sterling silver weighs 15g, what is the mass of silver dissolved in the necklace?
A. 1.69
C. 9.0g
D. 14.259
B.6.29

help plss​

Sagot :

Khayefoxidn

Answer:

11.A

12.B

13.D

Step-by-step explanation:

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