How many grams of solid KCl are needed to prepare 250.0 mL of 0.235 M solution?

Question

Question

science chemistry

Answer 1

Answer #1

As, molarity = mass×1000/molar mass×volume(ml)

Molar mass of KCl = 74.55 g/mol

So, 0.235 = m×1000/74.55×250

m = 0.235×74.55×250/1000

= 4.38 g

Please give feedback!

Add a comment

Answer 2

Similar Homework Help Questions

How many grams of KCl are needed to prepare 368 ml of a 2.00 M KCl solution?

How many grams of KCl are needed to prepare 368 ml of a 2.00 M KCl solution?
11. How many grams of solid KOH are needed to prepare 250.0 mL of 0.205 M...

11. How many grams of solid KOH are needed to prepare 250.0 mL of 0.205 M KOH? O 0.820 g O 11.480g O 0.205 g O 0.0515 O 2.875 g
4. How many grams of KCl are needed to prepare 20 mL of a 0.5% (m/v)...

4. How many grams of KCl are needed to prepare 20 mL of a 0.5% (m/v) solution?

What mass of KCl (MW 74.5513) in grams is needed to prepare 100 mL of a 1.3 M solution of KCl?

What mass of KCl (MW 74.5513) in grams is needed to prepare 100 mL of a 1.3 M solution of KCl?
How many grams of magnesium sulfate are needed to make 250.0 mL of a 0.250 M...

How many grams of magnesium sulfate are needed to make 250.0 mL of a 0.250 M solution? my response was a wrong answer 7.5 grams 0.250M *(250mL* 1L/1000mL)= 0.0625 0.0625* 120.4 g/mol (MgSO4)= 7.525 7.5 grams
Calculate: References 1pr a. How many grams of solid AgNO, will be needed to prepare 350. ml. of a 0.0500 M solutio...

Calculate: References 1pr a. How many grams of solid AgNO, will be needed to prepare 350. ml. of a 0.0500 M solution? 1 pt g 1 pt b. How many grams of vitamin C (CeHgOe) would be contained in 25.0 ml, of a 1.00 M solution? 1 pt 1 pt c. How many moles of HCl is contained in 300. mL of a S.0 M solution? 1 pt mol 1 pt Submit Answer Try Another Version 10 item attempts remaining...

how many grams of NaF are needed to prepare 250. mL of a 3.50% m/v solution?

how many grams of NaF are needed to prepare 250. mL of a 3.50% m/v solution?
How many grams of C6H12O6 are needed to prepare 350 mL of 2.5 M C6H1206 solution?

How many grams of C6H12O6 are needed to prepare 350 mL of 2.5 M C6H1206 solution?
how many grams of KCl are needed to make 50.0 mL of 2.4 5M KCl?

how many grams of KCl are needed to make 50.0 mL of 2.4 5M KCl?

How many grams of solid would be left behind if 20.0 mL of a 0.550 M...

How many grams of solid would be left behind if 20.0 mL of a 0.550 M KCl solution was evaporated to dryness?