Answer :
(a)The molarity of KCl solution is, 0.9713 mole/L
(b)The molarity of
solution is, 0.00525 mole/L
(c)The molarity of
solution is, 0.0612 mole/L
(d)The molarity of
solution is, 7.61 mole/L
(e)The molarity of
solution is, 0.0565 mole/L
(f)The molarity of
solution is, 0.0113 mole/L
Explanation :
<u>(a) 1.457 mol of KCl in 1.500 L of solution</u>
Formula used :

Solute is KCl.

The molarity of KCl solution is, 0.9713 mole/L
<u>(b) 0.515 gram of
, in 1.00 L of solution</u>
Formula used :

Solute is 
Molar mass of
= 98 g/mole

The molarity of
solution is, 0.00525 mole/L
<u>(c) 20.54 g of
in 1575 mL of solution</u>
Formula used :

Solute is 
Molar mass of
= 213 g/mole

The molarity of
solution is, 0.0612 mole/L
<u>(d) 2.76 kg of
in 1.45 L of solution</u>
Formula used :

Solute is 
Molar mass of
= 250 g/mole

The molarity of
solution is, 7.61 mole/L
<u>(e) 0.005653 mol of
in 10.00 ml of solution</u>
Formula used :

Solute is
.

The molarity of
solution is, 0.0565 mole/L
<u>(f) 0.000889 g of glycine,
, in 1.05 mL of solution</u>
Formula used :

Solute is 
Molar mass of
= 75 g/mole

The molarity of
solution is, 0.0113 mole/L