Asubstance has a solubility of 350 ppm. how many grams of the substance are present in 1.0l of a saturated solution

0.350 grams of the substance are present in 1.0l of a saturated solution

Explanation:

Parts per million (ppm), is a unit of measurement for concentration. Refers to the number of units of the substance per million units of the set.

So ppm means parts per million, that is, the mg (milligrams) in a kg of solution.

Considering that the density of a substance is 1000 kg / m3 (and 1 m3 is 1000 L), 1 kg of solution has a volume of approximately 1 liter, ppm also represents the mg of a substance in a liter of solution. That is, 1 ppm = 1 mg / L.

So in 1 L there are 350 mg of substance present. Being 1 g = 1000 mg, then 350 mg is 0.350 g.

0.350 grams of the substance are present in 1.0l of a saturated solution

- 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

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