Tema
Q:
The mass of 2.41 moles of \( \mathrm{H}_{2} \) is:
Give your answer to the hundredths place in \( g \). Do not put units in the answer
space.
I.
Q:
The mass of 3.45 moles of \( \mathrm{H}_{2} \mathrm{O} \) is:
Give your answer to the hundredths place in g. Do not put units in the answer
space.
1
Q:
The mass of 2.27 moles of Sr is:
Give your answer to the hundredths place in g. Do not put units in the answer
space.
Q:
Element A has a molar mass of 1.41 g , element D has a molar mass of 66.58 g ,
and element E has a molar mass of 2.09 g . What is the molar mass of the
compound \( \mathrm{A}_{3} \mathrm{D}_{4} \mathrm{E}_{2} \) ?
Give your answer to the hundredths place in \( \mathrm{g} / \mathrm{mol} \). Do not put units in the
answer space.
Q:
Element \( X \) has a molar mass of 7.55 g and element Z has a molar mass of 4.91
g . What is the molar mass of the compound \( \mathrm{X}_{3} \mathrm{Z}_{3} \) ?
Give your answer to the hundredths place in \( \mathrm{g} / \mathrm{mol} \). Do not put units in the
answer space.
Q:
The molar mass of \( \mathrm{H}_{2} \mathrm{O} \) is:
Give your answer in \( \mathrm{g} / \) mol to two decimal places. Do not put units in the
answer space.
Q:
The molar mass of NaCl is:
Give your answer in \( \mathrm{g} / \mathrm{mol} \) to two decimal places. Do not put units in the
answer space.
Q:
The molar mass of \( \mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2} \) is:
Give your answer in \( \mathrm{g} / \mathrm{mol}_{\text {s }} \) to two decimal places. Do not put units in the
answer space.
Q:
\begin{tabular}{l|l|l}\hline magnesium chromate & soluble \\ \hline sodium phosphate & soluble \\ ammonium sulfide & soluble \end{tabular}
Q:
\( BaCl _ { 2 } + H _ { 2 } SO _ { 4 } \rightarrow BaSO _ { 4 } + HCl \)
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