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Mariulka [41]
2 years ago
13

WILL GIVE BRAINLIEST- What is the % of each element in Al2(CrO4)3

Chemistry
1 answer:
Sphinxa [80]2 years ago
4 0

Answer:

Al = 13.4%  Cr = 38.8%  O = 47.7

Aluminium Chromium Oxygen

Explanation:

im so sorry if i am wrong

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Which statement describes how NO2- reacts in this equilibrium:
WITCHER [35]
The statement which describes how NO2- reacts in this equilibrium:
<span>H2SO3(aq) + NO2-(aq) HSO3-(aq) + HNO2(aq
is the second option - </span><span>B. as a Brønsted-Lowry base by accepting a proton.
</span>This is because bases take proton H+ in order to become HNO2. 
6 0
3 years ago
Read 2 more answers
How mant low dose 81mg aspirin tablets can be made from 1.21 kg of aspirin​
KiRa [710]

Answer:

14,938 tablets.

Explanation:

WE divide:

1.21 kg / 81 mg

1.21 kg = 1,210 g = 1.210,000 mg.

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3 0
3 years ago
In the lab there is a vile of mercury and it has a mass of 43.0 grams. If the density of mercury is 13.6 g/mL, what is the volum
Vitek1552 [10]

Answer:

<h2>The answer is 3.16 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass = 43 g

density = 13.6 g/mL

The volume is

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We have the final answer as

<h3>3.16 mL</h3>

Hope this helps you

8 0
3 years ago
The octane number of gasoline is a measure of octane activity. The octane activity is determined by comparing the engine perform
Semmy [17]

Answer:

A. True

Explanation:

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Basically, the higher the octane  number, the  greater the resistance of the gasoline to knocking.

4 0
2 years ago
Yesterday I drove 150 minutes at a speed of 100 miles/hr. How many miles did I drive?
katrin [286]
That’s 2.5 hours at 100 miles an hour
2.5•100=250
You drove 250 mi yesterday
6 0
2 years ago
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