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adelina 88 [10]
2 years ago
14

PLS HELP S O S *will give brainliest*

Chemistry
1 answer:
Veseljchak [2.6K]2 years ago
8 0

Answer:

ARE U STILL GIVING BRAINLIEST?

Explanation:

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Something that can be broken down by living organisms is
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A student was asked to find the molar mass of calcium nitrate, Ca(NO3)2. she added the molar masses of calcium, nitrogen, and ox
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Explanation:

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3 0
3 years ago
A compound is 57.1% oxygen and the remainder carbon. using oxygen as the standard (16 amu) and assuming a 1:1 atom ratio, calcul
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Let's start with the amount given in percent. Let our basis be 100 grams of compound. So, that means that in this amount, 57.1 g is oxygen and 100-57.1=42.9 g is carbon. Since there is 1:1 atom ratio, it also means that moles oxygen = moles carbon.

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4 0
3 years ago
Lavoisier made an important contribution to chemistry by _____.
Harlamova29_29 [7]

Answer:

Lavoisier made an important contribution to chemistry by the law of conservation of mass

Explanation:

The law of conservation of mass tell us, that the mass doens't change in a system. You have the same mass at the begining and in the end of a reaction.

Matter is neither created, nor destroyed in a chemical reaction.

This law also states that mass of reactants is the same of products in any chemical reaction

6 0
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