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Sonja [21]
3 years ago
10

Help me plzz I need help can someone help

Chemistry
1 answer:
ss7ja [257]3 years ago
3 0
D volcanic corruption
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What is the mass in grams of 1.8 mol of Magnesium Sulfide?
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Help with both questions ASAP PLEASE
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Mg reducing agent and Cu oxidising agent.

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Saltpeter is a compound made of potassium (k), nitrogen (n), and oxygen (o). every 100.00 g of saltpeter contains 38.67 g potass
xeze [42]
First, we need to compute the mass of oxygen found in 100 grams of saltpeter:
mass of oxygen = 100 - (mass of potassium + mass of nitrogen)
                          = 100 - (38.67 + 13.86)
                          = 100 - 52.53
mass of oxygen in 100 grams saltpeter = 47.47 grams

Now, we can use cross multiplication to find the mass of oxygen in 328 grams saltpeter as follows:
mass of oxygen = (328 x 47.47) / 100 = 155.7016 grams
5 0
3 years ago
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represent rutheniums first 36 electrons using the chemical symbol for krypton written inside the brackets
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Answer:

[kr] hd^75s^1

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3 years ago
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What is the scientific term for rocks made in lava?
Elden [556K]

The answer is d. extrusive.


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have a great day! Brainliest is greatly appreciated, and please let me know if you need help with anything else ;)

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