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atroni [7]
3 years ago
14

What is the correct name for the compound mn 3(po 4)2manganese (ii) phosphatemanganese phosphatemanganese (i) phosphate manganes

e (iii) phosphate?
Chemistry
1 answer:
vlada-n [284]3 years ago
8 0
The correct name for mn3(po4)2 is manganese(ii) phosphate.
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10 Points
slamgirl [31]

Answer:

D

Explanation:

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2 years ago
What mass of boron sulfide must be processed with 2.1 x 10 4g of carbon to yield 3.11 x 10 4 g of boron and 1.47 x 10 5 g of car
Basile [38]

The reaction between boron sulfide and carbon is given as:

2B2S3 + 3C → 4B + 3CS2

As per the law of conservation of mass, for any chemical reaction the total mass of reactants must be equal to the total mass of the products.

Given data:

Mass of C = 2.1 * 10^ 4 g

Mass of B = 3.11*10^4 g

Mass of CS2 = 1.47*10^5

Mass of B2S3 = ?

Now based on the law of conservation of mass:

Mass of B2S3 + mass C = mass of B + mass of CS2

Mass of B2S3 + 2.1 * 10^ 4 = 3.11*10^4 + 1.47*10^5

Mass of B2S3 = 15.7 * 10^4 g


4 0
3 years ago
Define significant figure. Discuss the importance of using the proper number of significant figures in measurements and calculat
anastassius [24]

Explanation:

Significant figure is the measure of how accurately something can be measured. It carries meaning contributing to its measurement resolution. It is important to use proper number of significant figures to get a precise measurement. For example, if we use a meter stick then measurements like 0.874 meters, or 0.900 meters, are good because they indicate that we can measure to the nearest millimeter. Whereas a measurement like 0.8 does not tell that a meter stick can measure to the nearest millimeter.

7 0
3 years ago
What experiment did J.J thomson do?
Fittoniya [83]

Answer: C

Explanation:

7 0
3 years ago
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Trimix is a general name for a type of gas blend used by technical divers and contains nitrogen, oxygen and helium. In one Trimi
Keith_Richards [23]

Answer:

28.2

Explanation:

Add all of the pressures, 55, 90, and 50, and divide 100 by the answer you get (195). You'll get 0.512820513 and multiply it by .55 (atm of Oxygen) and you'll get 28.2

6 0
3 years ago
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