100 grams of KBr was dissolved in 100 grams of water at 60 degrees Celsius. The solution is .

supersaturated

saturated

unsaturated

This solutions is supersaturated

Explanation:

Step 1: Data given

Mass of KBr = 100 grams

Mass of water = 100 grams

Temperature of water = 60.0 °C

Saturated Solution =A solution with solute that dissolves until it is unable to dissolve anymore.

Unsaturated Solution= A solution (with less solute than the saturated solution) that completely dissolves.

Supersaturated Solution = A solution (with more solute than the saturated solution) that contains more undissolved solute than the saturated solution because of its tendency to crystallize and precipitate

Step 2

A KBr solution is saturated when 85.5 grams of KBr, at a temperature of 60.0 °C, is dissolved in 100 mL (100 grams ) of water.

100 grams > 85.5 grams

This solutions is supersaturated

- calcium has greater affinity to bond with electron receptors than hydrogen does and hence, it has the ability to replace hydrogen in most of its compounds.

- lithium has 2 valence electrons in the product because it can make only 1 bond with hydrogen. beryllium has 4 valence electrons in the product because it can only make 2 bonds. it has fewer electrons than neon and can react with electron donors. each hydrogen has 2 valence electrons, the same as helium.

- the covalent bond formed between carbon and hydrogen is polar because carbon is more electronegative than hydrogen and it attracts the bonded electron pair closer to itself, thus giving hydrogen a partial positive charge.

- a hydrogen bond is a relatively weak bond that hydrogen atoms make with the electronegative atoms nitrogen, oxygen or fluorine.

so the best choice is a.) 2 calcium (ca) atoms