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AURORKA [14]
2 years ago
10

One different between mixtures and pure substance is that

Chemistry
2 answers:
Anvisha [2.4K]2 years ago
8 0

Answer:

A)  mixtures can be physically separated.

Explanation:

took the test

myrzilka [38]2 years ago
4 0

Answer:

Pure substances cannot be separated into any other kinds of matter, while a mixture is a combination of two or more pure substances.

Explanation:

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Please help!!!!!!!!!​
Alika [10]

Answer

At the crust

Explanation:

Mantle is far away from it unless its in a ocean.

3 0
2 years ago
Read 2 more answers
Two samples of sodium chloride with different masses were decomposed into their constituent elements. One sample produced 1.731.
Amanda [17]

Answer:

The answer to your question is letter c) 6.09 g of sodium and 9.38 g of chlorine.

Explanation:

This problem is solve using rule of three

We know that the proportion Sodium to Chloride is 1 to 1 in sodium chloride, so we have to look for this proportion in the options

AM Sodium = 23 g

AM Chlorine = 35.5 g

                 Sodium                                     Chlorine

           23 g ---------------- 1 mol              35.5 g -------------- 1 mol

       1713.73g -------------    x               2666.6 g -------------    x

          x = 1713.73/23 = 74.51                     x = 2666.6/35.5 = 75.12

    These values are very similar, we have to look for the proportion in the options

a)      6.09g of sodium = 0.26 mol

      4,87 g of chlorine = 0.14 mol           These numbers are not very similar

b) We have 0.26 mol of Na

                  0.037 mol of Cl                      This is not the answer

c) We have 0.26 mol of Na

                  0.26 mol of Cl                     These numbers are the same, the proportion is 1:1, this is the answer

d) We have 0.26 mol of Na

                   0.36 mol of Cl                    This is not the answer

8 0
3 years ago
Which plant has a shorter orbit. Earth or Mars​
Jet001 [13]

Answer:

Earth

Explanation:

BRAINLIEST PLZ

7 0
3 years ago
Read 2 more answers
Calculate the number of ammonia molecules in 3.9 g.
disa [49]
•3.9g of ammonia
•molar mass of ammonia = 17.03g/mol

1st you have to covert grams to moles by dividing the mass of ammonia with the molar mass:

(3.9 g)/ (17.03g/mol) = 0.22900763mols

Then convert the moles to molecules by multiplying it with Avogadro’s number:

Avogadro’s number: 6.022 x 10^23


0.22900763mols x (6.022 x 10^23 molecs/mol)
= 1.38 x 10^23 molecules
6 0
3 years ago
If salt is dissolved in water, water serves as the:
NemiM [27]
B. solvent 

solute is the substance being dissolved
5 0
3 years ago
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