Answer:

The grams of NaCl that needed to make 1L of a 0.1 M solution is

**5.845 g (answer C)**

*calculation*

** Step 1: find the moles of NaCl**

moles = molarity x volume in liters

molarity = 0.1 M =0.1 mol/l

= 1 L x 0.1 Mol/L = 0.1 moles

**Step 2: find the mass NaCl**

mass = moles x molar mass

From periodic table the molar mass of NaCl = 23 +35.45 =58.45 g/mol

mass= 0.1 moles x 58.45 g/mol =**5.845 g** appropriate** ( answer C) **

Answer:
## Answer : Option C) 5.844 g NaCl

### Explanation :

To calculate the number of grams of NaCl that would be needed to make 0.1 M of solution we have to calculate;

- The molecular weight of sodium chloride (NaCl) which is 58.44 g, so one gram molecular weight will be= 1 mole which is 58.44 g.
- By dissolving 58.44 g of NaCl upto the final volume of 1 litre, one can get 1 M NaCl solution.
- So, to make 0.1 M NaCl solution we have to dilute the mass of salt to 1000 ml of solution as follows;
- 0.1 M NaCl solution will require 0.1 x 58.44 g of NaCl = 5.844 g. of NaCl.

when you pass the foodstall you can smell what is cooking , explain why this happen by particle theory

How much energy does a 9 x 10-8 m wavelength photon have?A. 5.96 x 10-41 j B. 2.21 x 10-18 j C. 7.36 x 10-27 D. 1.988 x 10-49 J

A balloon with a volume of 1.50 L is compressed to a volume of 0.50 L (at a constant temperature).a. Do you expect the pressure of the gas in the balloon to increase or decrease? Why?

What is one biotic factor that limits the carrying capacity of any habitat

Name two parts of the water cycle in which contaminants can be introduced.

How much energy does a 9 x 10-8 m wavelength photon have?A. 5.96 x 10-41 j B. 2.21 x 10-18 j C. 7.36 x 10-27 D. 1.988 x 10-49 J

A balloon with a volume of 1.50 L is compressed to a volume of 0.50 L (at a constant temperature).a. Do you expect the pressure of the gas in the balloon to increase or decrease? Why?

What is one biotic factor that limits the carrying capacity of any habitat

Name two parts of the water cycle in which contaminants can be introduced.

1 mole of is 180 grams. (Molar mass).

18 is of 180 , so it means 18 grams of is moles

To find a molecule's molar mass, you should multiply each atom's number with their atomic mass, in the molecule and add them I mean, there are 6 Carbon atoms, 12 Hydrogen atoms and 6 Oxygen atoms. So,

Atomic mass of Carbon is approximately, 12 amu (atomic mass unit), Hydrogen's is approximately, 1 and Oxygen's is approximately, 16. So :

18 is of 180 , so it means 18 grams of is moles

To find a molecule's molar mass, you should multiply each atom's number with their atomic mass, in the molecule and add them I mean, there are 6 Carbon atoms, 12 Hydrogen atoms and 6 Oxygen atoms. So,

Atomic mass of Carbon is approximately, 12 amu (atomic mass unit), Hydrogen's is approximately, 1 and Oxygen's is approximately, 16. So :

**57.13%** is the **mass percent **of oxygen in sodium bicarbonate. Mass percentage, also known as weight percentage or mass percent.

Mass percentage, also known as weight percentage, is a way of expressing the **concentration **of a component in a mixture or a compound. It represents the mass of the component (usually expressed in grams) per 100 grams of the mixture or compound. Mass percentage is commonly used in chemistry and other scientific fields to quantify the amount of a particular substance relative to the total mass of the mixture.

Na = 22.99 g/mol

H = 1.00 g/mol

C = 12.01 g/mol

O = 15.99 g/mol

**Molar Mass of solution** = (22.99 g/mol) + (1.00 g/mol) + (12.01 g/mol) + (15.99 g/mol x 3)

= 83.97 g/mol

(47.97 g/mol) / (83.97 g/mol) x 100 = 57.13%

To know more about **mass percent**, here:

#SPJ3

**Answer:**

Molar mass of NaHCO3 = 84.00661 g/mo

**Explanation:**

This compound is also known as Baking Soda or Sodium Bicarbonate.

Convert grams NaHCO3 to moles or moles NaHCO3 to grams

Molecular weight calculation:

22.98977 + 1.00794 + 12.0107 + 15.9994*3

Pretty much, for solids draw the molecules close together and rigid, for liquids, the molecules are spaced apart a little and not all lined up

**Answer:**

**An ionic bond is an attraction between oppositely charged ions. A covalent bond is a sharing of electrons between atoms.**

**Explanation:**

**The difference between an ionic and a covalent bond is that a covalent bond is formed when two atoms share electrons. Ionic bonds are forces that hold together electrostatic forces of attraction between oppositely charged ions.**

To study the gas giants, scientists and space explorers used spacecraft and probes. And also, one of the breakthroughs, that made exploration in the outer planet much easier was the planet gravity assist concept wherein, a much smaller space craft is used to launch in order to cope up with the accelerated speed if a spacecraft approaches the planet.

**Answer:**

Transcription

**Explanation:**