The molarity of a salt solution made by dissolving 250.0 grams of NaCl in 775 mL of solution is <u>5.52 M</u> .
<u>Explanation:</u>
The molarity of a solution tells one how many moles of <u>solute</u> one can get <em>per liter</em> of solution.One should remember to must convert this volume to liters by using the conversion factor:
1 L = 10³ml
Sodium chloride (NaCl) has a molar mass of 58.44 g per mol , which means that the sample will contain:
This means that the molarity of the solution will be:
<h3>
Answer:</h3>
Mole ratio of D to A is 1 : 4
<h3>
Explanation:</h3>
We are given the generic chemical equation;
4A + B → C + D
We are supposed to determine the mole ratio of D to A
What is mole ratio?
- Mole ratio is the ratio of the number of moles of reactants or products in a chemical reaction.
- We determine the mole ratio using the coefficients of reactants or products in question.
For example;
- In the equation, 4A + B → C + D, the coefficient of A is 4 while the coefficient of D is 1.
- This means, 4 moles of A reacts with 1 mole of b to produce 1 mole of C and 1 mole of D
- Thus, mole ratio of D to A is 1 : 4
Answer:
True
Explanation:
It means the reaction is occuring.
The resistance has a linear relationship with temperature because it increases as temperatures increases.
<h3>What is temperature?</h3>
Temperature refers to the activity (motion or thermal energy) in the atoms that form molecules.
The resistance of an electric conductor increases as the temperature increases since the thermal energy of subatomic electrons also increases.
In conclusion, the resistance has a linear relationship with temperature because it increases as temperatures increases.
Learn more about resistance here:
brainly.com/question/1834200
#SPJ1
