1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
-Dominant- [34]
3 years ago
6

How many moles of HNO3 are present in 450 g of HNO3?

Chemistry
1 answer:
iVinArrow [24]3 years ago
6 0
Since there are 63.01284 grams to one mole of HNO3, then 12.5 moles would be in 450 grams of it.
You might be interested in
If you have 250mL of an 11M solution and add enough water to dilute it to 7 M, then what is the final volume of the solution?
Luba_88 [7]
35.7M is the answer to this question
4 0
2 years ago
What molecule carries the genetic code?
AfilCa [17]
DNA is the molecule that carries the genetic code. These are found in the nucleus of cells. They copy themselves during replication when a cell divides and splits.
5 0
3 years ago
An electrochemical cell is powered by the half reactions shown below.
andrezito [222]
Reduction reactions are those reactions that reduce the oxidation number of a substance. Hence, the product side of the reaction must contain excess electrons. The opposite is true for oxidation reactions. When you want to determine the potential difference expressed in volts between the cathode and anode, the equation would be: E,reduction - E,oxidation. 

To cancel out the electrons, the e- in the reactions must be in opposite sides. To do this, you reverse the equation with the negative E0, then replacing it with the opposite sign. 

Pb(s) --> Pb2+ +2e-      E0 = +0.13 V
Ag+ + e-  ---> Ag           E0 = +0.80 V

Adding up the E0's would yield an overall electric cell potential of +0.93 V.
7 0
3 years ago
How can we reduce the production of harmful gases that form acid rain
oksano4ka [1.4K]

Answer:

A great way to reduce acid rain is to produce energy without using fossil fuels. Instead, people can use renewable energy sources, such as solar and wind power. Renewable energy sources help reduce acid rain because they produce much less pollution.

7 0
3 years ago
an unknown molecule is found to consist of 24.2% carbon by mass, 4.0% hydrogen by mass and the remaining mass is due to chlorine
Paha777 [63]

Answer:

C3 H6 Cl 3

Explanation:

C -24.2%

H -  4.0%

Cl - (100-24.2 - 4.0)=73.8 %

We can take 100g of the substance, then we have

C -24.2 g

H -  4.0 g

Cl - 73.8 g

Find the moles of these elements

C -24.2 g/12.0 g/mol =2.0 mol

H -  4.0 g/1.0 g/mol = 4. 0 mol

Cl - 73.8 g/ 35.5 g/mol = 2.1 mol

Ratio of these elements gives simplest formula of the substance

C : H : Cl = 2 : 4 : 2 = 1 : 2 : 1

CH2Cl

Molar mass (CH2Cl) = 1*12.0 +2*1.0 + 1*35.5 = 49.5 g/mol

Real molar mass = 150  g/mol

real molar mass/ Molar mass (CH2Cl) = 150 /49.5=3

So, Real formula should be C3 H6 Cl 3.

4 0
3 years ago
Read 2 more answers
Other questions:
  • The whiye pigment TiO2 is prepared by the reaction of titanium tetrachloride, TiCl4, with water vapor in the gas phase:
    9·1 answer
  • Describe the appearance of table salt at the macroscopic and atomic levels
    11·1 answer
  • In a given substance, as the temperature of a substance increases, the volume of that substance _____.
    7·1 answer
  • What is the difference between a chemical formula and a chemical equation?
    10·1 answer
  • A system of 1515 particles, each of which is either an electron or a proton, has a net charge of −6.032×10−17
    10·1 answer
  • What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm? (c = 3.00 × 108 m/s; h = 6
    5·1 answer
  • Oxidation of a dithiol such as 2,5-hexanedithiol forms a six-membered ring containing a disulfide group as part of the ring. Dra
    11·1 answer
  • The type of chemical bond resulting from a complete electron transfer is:
    11·2 answers
  • NEED ASAP!! WILL GIVE BRAINLIEST!! Only have 10 minutes left please help.
    6·1 answer
  • Which environment is BEST for an organism that sleeps during the day and digs holes in the ground for shelter?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!