1. how many grams og kcl do you need to make 50.0 ml and 2.45?

Question

Question

Answer 1

Answer #1

volume = 50 .0 mL = 0.050 L

molarity = 2.45 M

moles = molarity x volume

= 2.45 x 0.050

= 0.1225

molar mass of KCl = 74.55 g / mol

mass = moles x mola mass

= 0.1225 mole x 74.55 g / mole

= 9.13 g

mass = 9.13 g

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Answer 2

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