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Zinaida [17]
3 years ago
12

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!

Chemistry
2 answers:
likoan [24]3 years ago
8 0

Answer:

BBB

Explanation:

solong [7]3 years ago
4 0

Answer:

ehn wet in be d problem which kind help u want biko?

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PLEASE HELPPPP!!!!!
Likurg_2 [28]

Answer : The mass of nitric acid is, 214.234 grams.

Solution : Given,

Moles of nitric acid = 3.4 moles

Molar mass of nitric acid = 63.01 g/mole

Formula used :

\text{Mass of }HNO_3=\text{Moles of }HNO_3\times \text{Molar mass of }HNO_3

Now put all the given values in this formula, we get the mass of nitric acid.

\text{Mass of }HNO_3=(3.4moles)\times (63..01g/mole)=214.234g

Therefore, the mass of nitric acid is, 214.234 grams.


6 0
3 years ago
What is the phase of water at 1.0 atm and 50°C?
Gnom [1K]
Water vapor is on delivered in your room number so you don’t need it for your phone number though you need
6 0
2 years ago
A graduated cylinder with water has a mass of 534.26 g. The graduated cylinder itself has a mass of 214.36 g. What is the mass o
Alexxandr [17]

Answer: 319.9g

Explanation:

Mass of graduated cylinder with water = 534.26g

Mass of  graduated cylinder = 214.36g

Mass of just water = Mass of graduated cylinder with water - Mass of graduated cylinder.

Mass of just water = 534.26g  -  214.36 g =  319.9g

8 0
4 years ago
In a lab, calcium chloride is dissolved in water in a test tube. As it dissolves the test tube gets warmer. Which of these is a
kozerog [31]

Answer:

B

Explanation:

The mixture gave off heat

4 0
2 years ago
Read 2 more answers
What is the molarity of 40ml of NaOH if it takes 25ml of 0.5 molar HCl to neutralize it?
Oksanka [162]

Answer:

Molarity of 40 ml of NaoH is 0.3125 mL

Explanation:

As we know  

Molarity of acid *  volume of acid = molarity of base * volume of base

Substituting the given values, we get  

0.5 * 25 = X* 40 \\X = \frac{0.5*25}{40} \\X = 0.3125

Molarity of 40 ml of NaoH is 0.3125 mL

6 0
3 years ago
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