2 years ago

Shape of a molecule having four Bond pairs and two lone pair of electron will be

Chemistry

1 answer:

Anna71 [15]2 years ago

6 0

Answer:

bipetal

Explanation:

this is because 2 electrons will be donated by each element, as seen in NO2

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Salsk061 [2.6K]

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Calculate the molarity of a solution consisting of 25.0 g of KOH in 3.00 L of solution.

melomori [17]

Answer:

0.15M

Explanation:

The equation for molarity is M= n/L. Where "M" is Molarity, "n" is the number of moles of solute, and "L" is the total liters in solution.

You need to calculate the number of moles from the given grams. The molar mass of KOH is (39.098+ 16 +1.008)= 56.106g. To calculate the mols of KOH, $\frac{25.0g}{1}$ × $\frac{1 mol}{56.106g}$ = 0.44558... mol, you see that the grams unit cancel out leaving you with mol as the unit.