Calculate the molarity of 1.60 L is solution containing 1.55 g of dissolved KBr?

1 Answer
Udhaya S. · Junaid Mirza
Apr 23, 2018

#"0.00815 M"#

Explanation:

Assuming you mean molarity of #"KBr"#, we calculate moles of #"KBr"# first.

#"n"_("KBr") = "1.55 g" / ("39.0 g/mol + 79.9 g/mol") = 0.01304\ "mol"#

#"c"_("KBr") = "0.1304 mol"/"1.60 dm"^3 = "0.00815 mol/dm"^3#

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