Part 2- Using a stock solution of Acid to make 2 different dilutions: 4. Calcula

Question

Part 2- Using a stock solution of Acid to make 2 different dilutions: 4. Calculate the volume (mL.) of 8 M HNO, stock solution and the volume of water neoded to prepare S00 ml of a 1.60 M diluted solution. Show calculation here. Write a procedure. (use beakers, grodauated oylinders glass rod, no need to use the volumetric flask Calculate the volume (mL) of 8 M HNO, stock solution and the volume of water needed to prepare 500 ml of a 0.80 M diluted solution. Show calculation here. Write a procedure fase beakers, graduted likra glass rod, no need to use the volumetric flask) 5.

Explanation / Answer

4) according to dilution law

M1V1 = M2V2

M1 = 8.0 M , V1 = ?

M2 = 1.60 M , V2 = 50.0 mL

V1 = (M2V2 / M1)

V1 = (1.60 x 50.0 / 8.0)

V1 = 10.0 mL

we need 10.0 mL stock solution and 50.0- 10 = 4.0 mL water.

5) M1V1 =M2V2

M1 = 8.0 M , V1 = ?

M2 = 0.80 M , V2 = 50.0 mL

V1 = (M2V2 / M1)

V1 = (0.80 x 50.0 / 8.0)

V1 = 5.0 mL

we need 5.0 mL stock solution and 50 - 5.0 = 45 mL water.

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