Suppose you analyze a 35.9 g sample of bleach and determine that there are 3.86 g of sodium hypochlorite present. What is the percent of sodium hypochlorite in the bleach sample?

Explanation:

Hello!

In this case, since the percent of any substance into a mixture containing it, is computed by dividing the mass of the substance and the mass of the whole mixture, for 3.86 g of pure sodium hypochloride (bleach's active component) dissolved in 35.9 g of bleach, the percent turns out:

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m=9

step-by-step explanation:

alkaline metals are lithium, sodium, rubidium, potassium, cesium and francium.

alkali metals have electronegativity from 0.7 to 1, lowest in periodic table of elements, which means that alkali metals (i group in periodic table) has positive oxidation number in compounds.

electronegativity is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.

alkaline metals (far left in main group) have lowest ionizations energy and easy remove valence electrons,

for example, potassium is the alkali metal and has a single valence electron in the outer electron shell.

electron configuration of potassium is: ₁₉k 1s²2s²2p⁶3s²3p⁶4s¹.

they can not exist alone in nature, because they are very reactive.