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Scilla [17]
3 years ago
8

WHAT BLOCK IN THE PICTURE HAS:

Chemistry
1 answer:
GREYUIT [131]3 years ago
7 0

Answer:

the highest is "A" and the lower is "C"

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A student is given an antacid tablet that weighs 5.4630 g. The tablet is crushed and 4.3620 g of the antacid is added to 200. mL
Luda [366]

Solution :

It is given that :

Weight of the antacid tablet = 5.4630 g

4.3620 gram of antacid is crushed and is added to the stomach acid of 200 mL and is reacted.

25 mL of the stomach acid that is partially neutralized required 13.6 mL of NaOH to be titrated for a red end point.

27.7 mL of $NaOH$ solution is equivalent to $25 \ mL$ of the original stomach acid. Therefore, 13.6 mL of NaOH will take x $\frac{25\text{ mL of original stomach acid}}{\text{27.7 mL of NaOH}}$

                                                             = 12.27 ml of the original stomach acid.

4 0
3 years ago
Erica is working in the lab. She wants to remove the fine dust particles suspended in a sample of oli. What method is she most l
patriot [66]

Erica is likely to use reverse osmosis process.it is the method used in the industry to treat water in oil and gas industry .or ultra filtration method is also employed

7 0
4 years ago
Read 2 more answers
172 °C = __________ K<br> (Round off to the nearest whole number)
NNADVOKAT [17]
-101, K=C+273 so in this you would subtract 273 from 172
8 0
3 years ago
How many atoms are in 1.75 moles of CHCl?
jok3333 [9.3K]
1.75 moles ChCl3 x (6.02 x 10 ^-23) / 1 mole = 1.0535 x 10^-22 atoms.

hope this was helpful :)
8 0
4 years ago
Are phase changes physical or chemical changes? why?
Studentka2010 [4]
Physical! Because they do not modify the nature of the substance ( if you look at the chemical level) and it is reversible

Vapor is H20
Water is H20
Ice is H20

A chemical changes is not reversible
Burning wood for example! And the reactants interact together to form a new product.
6 0
3 years ago
Read 2 more answers
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