Topic
Q:
Balance the following equation. Use the lowest whole number ratio and type in
1 when it is the coefficient.
\( \mathrm{N}_{2} \mathrm{O}_{5} \)
Q:
Question 14
Balance the following equation. Use the lowest whole number ratio and type in
1 when it is the coefficient.
\( \mathrm{N}_{2} \mathrm{O}_{5}+\square \)
Q:
Element \( X \) has a molar mass of 6.11 g and element Z has á molar mass of 4.74
g . How many moles are in 9.99 g of the compound \( \mathrm{X}_{8} \mathrm{Z}_{6} \) ?
Give your answer to the hundredths place in mol. Do not put units in the
answer space.
Q:
The number of moles in \( 857.32 \mathrm{~g} \mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2} \) is:
Give your answer to the hundredths place in mol. Do not put units in the
answer space.
Q:
The number of moles in \( 567.58 \mathrm{~g} \mathrm{~N}_{2} \) is:
Give your answer to the hundredths place in mol. Do not put units in the
answer space.
Q:
The number of moles in 829.02 g MgO is:
Give your answer to the hundredths place in mol. Do not put units in the
answer space.
Q:
Element \( X \) has a molar mass of 3.95 g and element Z has a molar mass of 4.09
g . What is the mass of 8.02 moles of the compound \( \mathrm{X}_{5} \mathrm{Z}_{4} \) ?
Give your answer to the hundredths place in g . Do not put units in the answer
space.
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.
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