Explain how many moles of na+ ions are contained

Reference no: EM13530825

1. A 130 mL stock solution contains 5 M BaCl2. When 27 mL of the stock solution is diluted to 75 mL, how many moles of Ba2+ ions will be contained in the dilute solution?

2. When 7 mL of a solution containing 2.33 M Na3PO4 is diluted to 30 mL, a dilute solution is formed. How many moles of Na+ ions are contained in 18 mL of the dilute solution?

Reference no: EM13530825

Questions Cloud

Obtain the force required to pull a copper ball : Calculate the force required to pull a copper ball of radius 1.50 cm upward through a fluid at the constant speed 7.00 cm/s. Take the drag force to be proportional to the speed

Explain what was the concentration of li2s : A 19 mL sample of a solution of Li2S was diluted with water to 81 mL. A 25 mL sample of the dilute solution was found to contain 0.9 M Li+. What was the concentration of Li2S in the original undiluted solution

Obtain the weight of the person : A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 600 N. Determine the weight of the person

Find the normal force on a person in your car : While driving along a country lane with a constant speed of 12 m/s, you encounter a bump in the road that has a cross section. find the normal force on a 67 kg person in your car as you pass over the top of the bump

Explain how many moles of na+ ions are contained : When 7 mL of a solution containing 2.33 M Na3PO4 is diluted to 30 mL, a dilute solution is formed. How many moles of Na+ ions are contained in 18 mL of the dilute solution

What is the force exerted by the track on car at this point : A roller-coaster car has a mass of 506 kg when fully loaded with passengers. If the vehicle has a speed of 20.5 m/s at point , what is the force exerted by the track on the car at this point

Calculate the maximum speed the vehicle can have : A roller-coaster car has a mass of 506 kg when fully loaded with passengers. What is the maximum speed the vehicle can have

Evaluate average daily kcalorie intake : An analysis of her diet reveals an average daily intake of 80 grams of fat, 200 grams of carbohydrate, and 50 grams of protein. Calculate average daily kcalorie intake.

Find the force exerted by the seat on the child : A 35.0-kg child swings in a swing supported by two chains, each 2.92 m long. Find the force exerted by the seat on the child at the lowest point. (Ignore the mass of the seat.)

User Account

All Pages