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Step2247 [10]
2 years ago
14

Lithium sulphate is used in some medicines and its presence in a medicine can be shown by two a combination of two tests a)expla

in how a flame test could help in this context
b) Describe how you would test a solution of the medicine for the presence of sulphate ions.
C) write a balanced chemical equation, including state symbols, for the reaction occurring in B)
Chemistry
1 answer:
shtirl [24]2 years ago
6 0

Answer:

A flame test could help by seeing what things it could catch on fire from or the things that could happen with acids etc. I would test the medicine by asking someone who has had it in their life, asking doctors or I would maybe use it myself maybe. (I don’t know about c, sooo sorry)

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Some items, such as rubber, float on the water, while some items, such as gold, sink in
elena-14-01-66 [18.8K]

Answer:

If an item is less dense, it floats on the water.

Explanation:

We know this since the more dense something it usually is heavier than if it was less dense. Which ways it down resulting to it sinking.

8 0
3 years ago
How many hydrogen atoms are in CH2OH?<br><br> a-10<br> b-3<br> c-5<br> d-4
igomit [66]

Answer:

B)3

Explanation:

I'm assuming the 2 is meant to be smaller. If it were a regular size 2 the answer would be 2 and that isn't an option

7 0
3 years ago
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Are weathering and erosion two different names for the same process? Explain why or why not.PLEASE HELP!
Katyanochek1 [597]

Answer:

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6 0
3 years ago
Give the empirical formula for C↓8H↓8
mr_godi [17]

Answer:

Empirical formula of  C₈H₈ =  CH

Explanation:

Data Given:

Molecular Formula = C₈H₈

Empirical Formula = ?

Solution

Empirical Formula:

Empirical formula is the simplest ration of atoms in the molecule but not all numbers of atoms in a compound.

So,

tha ration of the molecular formula should be divided by whole number to get the simplest ratio of molecule

        C₈H₈ Consist of  Carbon (C), and Hydrogen (H)

Now

Look at the ratio of these two atoms in the compound

                         C : H

                         8 : 8

Divide the ratio by two to get simplest ratio

                          C : H

                       8/8 : 8/8

                         1   :  1

So for the empirical formula is the simplest ratio of carbon to hydrogen 1 : 1

So the empirical formula will be

                     Empirical formula of  C₈H₈ =  CH

4 0
3 years ago
How many moles is 1.25 x 1024 atoms of bromine?
Irina-Kira [14]

Answer:

2.08 moles (3 s.f.)

Explanation:

number of moles

= number of atoms ÷ Avogadro's constant

Avogadro's constant= 6.022 ×10²³

Thus, number of moles

= 1.25×10²⁴ ÷ (6.022 ×10²³)

= 2.08 moles (3 s.f.)

8 0
3 years ago
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