please help due tonight 10. What mass (in grams) of NaCl (molar mass = 58.4 g/mol)...

Question

Question

10. What mass (in grams) of NaCl (molar mass = 58.4 g/mol) is needed to create 250.0 ml. of a 1.50 M NaCl solution (6 points)

please help due tonight

Answer 1

Answer #1

We have W = M (mw) v 1000 Given mo=58.49 (mil. VF 250ml M = 1.50M. . Weight of Nach = (1.50) (58.4) x 250 1000 mass of Nach n thank you vmuch....

Answer 2

Similar Homework Help Questions

please help due tonight 12. What mass of Na2CO, (molar mass = 106.0 g/mol) is required...

please help due tonight 12. What mass of Na2CO, (molar mass = 106.0 g/mol) is required to react completely with 21.6 ml. of 0.120 M HCI? (show all conversions using appropriate factors with units) (6 points) Na.CO3(aq) + 2HCl(aq) + 2NaCl(aq) + H2O(l) + CO(g)
How many grams of NaCl (1 molar mass = 58.44 g/mol) are required to make 350...

How many grams of NaCl (1 molar mass = 58.44 g/mol) are required to make 350 mL of a 1.25 M NaCl solution
please help with #9 due tomorrow 8. Calculate the molarity of a solution made by dissolving...

please help with #9 due tomorrow 8. Calculate the molarity of a solution made by dissolving 0.632 g of Na:SO. (molar mass = 142.0 g/mol) in enough liquid to make 250.0 mL of solution. (6 points) Moles of Na2SO4= 0.652 :0.0044 So mais 142.0 g/mol 0.004450MLES - 0-0178 M 0.25L 9. What is the concentration (in moles per liter) of sodium ions in the solution described in question 8?

What mass in grams of NaNO2 (69.0 g / mol) will it be necessary to add...

What mass in grams of NaNO2 (69.0 g / mol) will it be necessary to add to 250.0 ml of 0.200 M solution in HNO2 to produce a buffer of pH equal to 3.50
Sugar is easily soluble in water and has a molar mass of 342.30 g/mol. What is...

Sugar is easily soluble in water and has a molar mass of 342.30 g/mol. What is the molar concentration of a 245.6 mL aqueous solution prepared with 78.3 g of sugar? Suppose you have 350.0 mL of a 0.450 M sodium hydroxide solution. How many moles of sodium hydroxide are in the solution? Calculate the percent by mass of a solution made from 17 g NaCl (the solute) and 67 g water. Suppose you need to prepare 141.5 mL of...
Calculate how many grams of Na2EDTA dihydrate (, molar mass = 372.24 g/mol) will be needed...

Calculate how many grams of Na2EDTA dihydrate (, molar mass = 372.24 g/mol) will be needed to prepare 500.0 mL of an EDTA solution that is approximately 0.010 M. (Enter just the numeric value with the proper SFs) Answer in grams

What mass in grams of NaNO2 (69.0 g / mol) will it be necessary to add...

What mass in grams of NaNO2 (69.0 g / mol) will it be necessary to add to 250.0 ml of 0.200 M solution in HNO2 to produce a buffer of pH equal to 3.50 ka = 7.1x10 ^ -4)
16.7 grams of NH, in 1.50 liters of solution? (molar mass of 16. What is the...

16.7 grams of NH, in 1.50 liters of solution? (molar mass of 16. What is the molarity of tin taining NH, = 17.03 g/mole) a. 0.0654 M b .0.654 M c . 1.53 M d. 11.1 M 17. What volume, in milliliters, of 4.0 M NaOH is needed to prepare 145 mL of 0.15 NaOH is needed to prepare 145 mL of 0.15 M NaOH by dilution? a. 3.9 x 10 mLb. 5.4 mL c. 2.6 x 10 mL d....
What is the molality of NaCl (58.5 g/mol) in an aqueous solution which is 4.2 molar?...

What is the molality of NaCl (58.5 g/mol) in an aqueous solution which is 4.2 molar? The density of the solution is 1.05 g/mL. ANSWER: 5.22 m Please, show the steps using dimensional analysis if possible. Thank you

1. The molar mass of the crystal violet powder is 407.99 g/mol. How many grams of...

1. The molar mass of the crystal violet powder is 407.99 g/mol. How many grams of crystal violet are needed to prepare 2.00 L solution with a concentration of 3.00 x 10'M? Mass of Crystal Violet (grams):