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lana66690 [7]
2 years ago
8

What does (w/w)% mean?

Chemistry
1 answer:
Andrews [41]2 years ago
3 0

Answer: 2% w / w solution means grams of solute is dissolved in 100 grams of solution. ... 5% v / v solution means 5 ml of solute is dissolved 100 ml of solution.

Explanation:

so (w/w)% u would need a number to use it.

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The answer is option C.

That is it is a heterogeneous mixture.

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2. Different samples of the substance appeared to have different proportions of the components.

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3 years ago
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How many moles are equal to 3.0x10^23 atoms of germanium? PLS ANSWER WITH WORK!
horrorfan [7]
1 mole=6.02 x 10^23 atoms so how many moles are there in 3.0 x 10^23 we will cross multiply, 1 x 3.0 x 10^23 / 6.02 x 10 ^23. Which will give us 0.498 moles.
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2 years ago
What two gases have a profound effect on the type of organisms that can live in an area and influences the regions carrying capa
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Answer:

Oxygen and Carbon dioxide

Explanation:

Oxygen is required for respiration whereby energy is released from natural occurring nutrients accompanied by the release of water and carbon dioxide. carbon dioxideis also required by plants to photosynthesise.

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2 years ago
A semipermeable membrane is placed between the following solutions. Which solution will decrease in volume? Solution A: 1.31% (m
Zigmanuir [339]

Answer:

Are you in flvs, if so im prettyb sure if yo look on page 3 of lesson 1.04 it tells you the answer.

Explanation:

5 0
2 years ago
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Which compound contains both ionic and covalent bonds? 1.  ki 2.  cacl2 3.  ch2br2 4.  nacn?
Savatey [412]
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2 years ago
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