azhardelfi
azhardelfi azhardelfi
  • 06-04-2020
  • Chemistry
contestada

How many moles of LiOH are required to make 4.2 liters of a 0.98 M
solution? Round answer 2 decimal places
​

Respuesta :

Neetoo
Neetoo Neetoo
  • 12-04-2020

Answer:

4.12 mol  

Explanation:

Given data:

Moles of LiOH  required = ?

Volume of solution = 4.2 L

Molarity of solution = 0.98 M

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

we will calculate the moles from above given formula.

0.98 M = number of moles / 4.2 L

0.98 M × 4.2 L = number of moles

Number of moles = 0.98 M × 4.2 L

Number of moles = 4.12 mol     (M = mol/L)

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