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rodikova [14]
3 years ago
10

ASAP MULTIPLE CHOICE

Chemistry
1 answer:
OleMash [197]3 years ago
7 0
The mass of electrons , i just did the same test and got it right
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Iron is ___<br> A, FE<br> B,CU<br> C,K<br> D, CA
Fiesta28 [93]

<em>Answer:</em>

<em>Ello mate ! the answer is super simple it's option "A" Fe</em>

<em>Explanation:</em>

<em>Iron is a chemical element with symbol</em><em> "Fe"</em><em> and atomic number 26. It is a type of metal, that belongs to the first transition series and group 8 of the periodic table. It is by mass the most common element on Earth, forming much of Earth's outer and inner core.</em>

5 0
4 years ago
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"For the following Chemical Reaction : 2HBr(aq)+BaOH2(aq)--&gt;2H2O(l)BaBr2(aq) .. write the ionice equation, including phases.
Alex_Xolod [135]
The answer is aq--^781;
3 0
3 years ago
2.
Alex777 [14]

Answer:

C. 500 cm' of 1.0 mol dmº magnesium sulphate solution.

Explanation:

Let us look at each of the solutions individually;

CaCl2  has three particles

K2SO4 has three particles

MgSO4 has two particles

C2H5OH has only one particle

The number of moles of moles in 250 cm of 2.0 mol dm-3 potassium chloride is 250/1000 * 2 = 0.5 moles having two particles

Also; number of moles in 500 cm' of 1.0 mol dm-3 magnesium sulphate solution= 500/1000 * 1 = 0.5 moles having two particles

5 0
3 years ago
A
romanna [79]

Answer:

I think yes it can be. ( I'm not sure. Sorry )

Explanation:

A plant or animal product is eat other animals that can traded or transported to economic benefit.

7 0
3 years ago
What is a mixture of two insoluble mixtures called​
madreJ [45]

Answer:

Emulsion

Explanation:

Emulsion is a special type of mixture formed by combining two liquids that do not normally mix. An example of emulsion is;

Oil and Water

5 0
3 years ago
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