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scoundrel [369]
4 years ago
12

HELP QUICK I HAVE A QUIZ ITS JUST MULTIPLE CHOICE

Chemistry
1 answer:
melamori03 [73]4 years ago
5 0

Answer:

i think its A

Explanatio

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What is the molecular formula of paradichlorobenzene that has a molar mass of 147.g/mol and an empirical formula of C3CIH2?
Gwar [14]

Answer:

the molecular formula of paradichlorobenzene is C6H4CL2

6 0
3 years ago
Maria poured 25 grams of water into a beaker. She stirred in 5 grams of salt. The salt dissolved. What is the total mass of Mari
Ahat [919]

Answer:

The answer to your question is: 30 g

Explanation:

Data

mass of water = 25 g

mass of salt = 5 g

Process

total mass = mass of water + mass of salt

                 = 25 + 5

                 = 30 g

7 0
3 years ago
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Which of these temperature scales can have negative numbers? Fahrenheit Celsius Kelvin joules
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The Farenheit and Celcius scales can have negative numbers
4 0
3 years ago
If 3 g of element C combine with 8 g of element D to form compound CD, how many grams of D are needed to form compound CD2?
bija089 [108]
<span>For the answer to the question above,
If 3g of element combines with 8g of D to form CD it means
1 mole of C = 3g
1 mole of D = 8g
hence it forms CD.
So to form CD2 you need 16g of element D
I hope my answer helped you</span>
8 0
3 years ago
How many molecules are there in 0.655 moles of CH_2?
guajiro [1.7K]

Answer:

Not sure about this one, sorry

Explanation:

8 0
3 years ago
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