Explain how many moles of na+ are in the new solution

Assignment Help Chemistry

Reference no: EM13530748

1. When 26 mL of a 90 mL stock solution containing 3.23 M CaF2 is diluted to 35 mL, how many moles of F- are in the new solution?

2. When 27 mL of a 150 mL stock solution containing 2.11 M Na2S is diluted to 74 mL, how many moles of Na+ are in the new solution?

Reference no: EM13530748

Questions Cloud

Hemoglobin in normal cell and hemoglobin in sickle cell : What sort of major secondary structures are shown in each of these models? Describe the difference in structure between HbA and HbS.

Explain the concentration of li2s in the original solution : A 17 mL sample of a solution of Li2S was diluted with water to 79 mL. A 60 mL sample of the dilute solution was found to contain 1.3 M Li+. What was the concentration of Li2S in the original undiluted solution

Compute the work done by each one : a person pulls a 10kg weight across a floor a distance x=2.0m by pulling on a rope with 50N directed 15 degrees above the horizontal. compute the work done by each one

Difference in structure between hba and hbshemoglobins : Describe the difference in structure between HbA and HbShemoglobins. Describe as many specific bacterial toxins as you can,their regulation (if known), mode of action, similarities and/ordissimilarities.

Explain how many moles of na+ are in the new solution : When 27 mL of a 150 mL stock solution containing 2.11 M Na2S is diluted to 74 mL, how many moles of Na+ are in the new solution

What is the smallest radius she can make the turn : A highway engineer wants to design a horizontal turn so that a car with mass 623 kg can go 16.8 m/s around curve. what is the smallest radius she can make the turn

Explain the oh- concentration of the dilute solution : When 19 mL of a solution containing .29 M Ca(OH)2 is diluted to 30 mL, a dilute solution is formed. What is the OH- concentration in 15 mL of the dilute solution

Find the force of friction between the ladder and the ground : A 5.83 m long ladder with mass 23.1 kg rests against a smooth wall. Find the force of friction between the ladder and the ground

Defense system work together to eliminate invading bacteria : Give some examples of how virulence factors could work together to make a pathogen better able to cause infection andavoid the host immune system.

User Account

All Pages