<span>FeCl3 test is used to find out the phenols in a sample or compound. Natural phenols in a plant extract can be determined using the FeCl3 test, for example. If the test results in dark brown solution it is a positive result signify that it contains phenols.</span>
Answer:
P = 1/5 = 0.20 = (20%)
Step-by-step explanation:
there are 12 horses and 8 cows, in total there are 20 animals
of which 4 horses are brown
Then
Hope this helps
Answer:
$68.80
Step-by-step explanation:
First you need to find 60% of 48 which is 28.8. Then you add the 28.8 and 48 to get a total of $68.80.
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Answer:
Zero
Step-by-step explanation:
So we start out on a positive 7. We then add a negative (You just subtract) 7. Modified equation: 7-7
7 minus 7 equals 0 or {7 - 7 = 0}
Hope this helps!!
Set up a proportion
3 coins:8 notes and then the other one 24 coins : x (unknown notes)
they have a relationship so we can set them equal to each other.
3/8=24/x cross multiply: 8 * 24 = 192
Now divide that by 3: 192/3 = 64
So there are 64 notes in the bag
