How many grams of h3po4 are produced when 10.0 moles of water react with an excess of p4o10?
p4o10 +6h2o—> 4hpo4

Explanation:

Hello,

In this case, by considering the given chemical reaction and the molar mass for phosphoric acid and the 4 to 6 relationship between phosphoric acid and water respectively, the required grams are result:

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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.