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
Mashcka [7]
2 years ago
5

What is the valence number of HCO3-.​

Chemistry
1 answer:
Irina18 [472]2 years ago
5 0
-1 is the answer

So it requires one cation (i.e. positively charged ion). So according to this, its valency is -1. A hydrogen carbonate ion has the formula HCO3-, so the valency of a hydrogen carbonate ion is -1.
You might be interested in
What is back titration?​
Yakvenalex [24]

Answer:

Back titration is a titration done in reverse; instead of titrating the original sample, a known excess of standard reagent is added to the solution, and the excess is titrated.

I hope it's helpful!

3 0
3 years ago
How many valenence electons does sodium have?
olganol [36]
8 valence electrons :)
7 0
3 years ago
Read 2 more answers
What is the formula for the ionic compound of strontium and chlorine?
Leno4ka [110]
The formula is SrCl2. hope this helps
8 0
3 years ago
What is the mass of water that results from combining 2.0 g of hydrogen with 16.0 g of oxygen?
astraxan [27]
The formula for water is H2O so there would have to be two Hyrdogens and one oxygen. Therefore it would be 4g of Hydrogen and 16g of Oxygen leaving you with 20g.
The answer is D.

Hope this helps :) ~
8 0
3 years ago
Using the ideal gas law, PV=nRT, where R=0.0821 L atm/mol K, calculate the volume in liters of oxygen produced by the catalytic
AfilCa [17]

Answer:

V = 2.32 Liters

Explanation:

PV = nRT => V = nRT/P

n = 25.8g/122g/mole = 0.21 mole

R = 0.08206 L·atm/mol·K

T = 25.44°C + 273 = 298.44K

P = 2.22 atm (given in problem)

V = (0.21mol)(0.08206 L·atm/mol·K)(298.44K)/(2.22atm) = 2.32 Liters at 25.44°C & 2.22atm

8 0
3 years ago
Other questions:
  • When the volume of a gas is changed from mL to 852 mL the temperature will change from 315c to 452c
    6·1 answer
  • Which of the following groups of carbon compounds includes enzymes? lipids proteins carbohydrates nucleic acids
    14·1 answer
  • How many significant figures does 546.000 have
    9·1 answer
  • Is solid copper sulphate a conductor or insulator
    6·1 answer
  • Select all (there's more than one) of the below chemicals that would be insoluble in water.
    9·1 answer
  • The rate of filtration is Select one: a. modified by boundary layer effects. b. increased with increasing viscosity of the fluid
    9·1 answer
  • How can the periodic table be used to infer the number of valence electrons in an atom?
    10·1 answer
  • What is 2 H2 + 1 O2 = 2 H2O balanced?
    13·1 answer
  • DONT GUESS OR YOUR ANSWER GETS REPORTED!!Students who like information presented to them in a sequential order likely think with
    5·1 answer
  • How much energy is required to convert 400 g of ice at 0 °C to liquid water at 0 °C?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!