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Mylena Tejada Roque

Mylena T.

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INSTANT ANSWER

What is the total number of hydrogen atoms on the right-hand side of this chemical equation? \[ \mathrm{P}_{4}(s)+4 \mathrm{NaOH}(a q)+2 \mathrm{H}_{2} \mathrm{O}(l) \rightarrow 2 \mathrm{PH}_{3}(g)+2 \mathrm{Na}_{2} \mathrm{HPO}_{3}(a q) \]

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INSTANT ANSWER

The chemical formula for lead(II) nitrite is: \[ \mathrm{Pb}\left(\mathrm{NO}_{2}\right)_{2} \] How many nitrogen atoms are in each formula unit of lead(II) nitrite? \[ x \]

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ANSWERED

Supreeta N verified

Numerade educator

A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. Note: your answer should be in the form of one or more fractions multiplied together. (-6.8 x 10³ µg/dL) . [] = ? g/mL

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