3 years ago

The number placed in front of a compound to balance a chemical reaction is called?

Chemistry

1 answer:

slamgirl [31]3 years ago

3 0

Answer:

coefficients

Explanation:

good luck

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a magnet has a north and south pole labeled in the drawing student A thinks that if you cut a magnet in half each ew parts will

riadik2000 [5.3K]

Answer:

The student is Incorrect

Explanation:

Even if you break a magnet the poles still remains same. There is no

difference in the magnet Both north and south pole will be there even if you

cut it in to small pieces when you cut it into pieces, if suppose you break 2

magnets and put north and north together it will repel whereas if there are

different poles like north and south it will attract, so even if you break one

single magnet the different poles will attract, Hence the student is incorrect.

Please mark me as brainliest

<h3><u>Thank you </u>:)</h3>

8 0

3 years ago

In a titration experiment a student uses 1.4 m hbr solution and the indicator phenolphthalein to determine the concentration of

Likurg_2 [28]

The question is incomplete. Complete question is attached below:
...........................................................................................................................

Answer:
Given: conc. of HBr = 1.4 M
Volume of HBr = 15.4 mL
Volume of KOH = 22.10 mL

We know that, M1V1 = M2V2
(HBr) (KOH)

Therefore, M2 = M1V1/V2
= 1.4 X 15.4/22.10
= 0.9756 M

Concentration of KOH is 0.9756 M.