3 years ago

A chemical reaction has two elements as reactants. What type of reaction might occur?

1 answer:

5 0

In a composition reaction, two or more reactants -- often but not always elements -- combine to form a more complex compound.

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3 years ago

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3 years ago

How many grams of calcium bromide are in 50.0 mL of a 0.25 M calcium bromide solution?

lianna [129]

$C_{m}=\frac{n}{V_{r}}\\\\
m=\frac{m}{M}\\\\
C_{m}=\frac{m}{MV_{r}} \ \ \ \ \Rightarrow \ \ \ \ m=C_{m}MV_{r}}\\\\
C_{m}=0.25\frac{mol}{L}\\
M_{CaBr_{2}}=200\frac{g}{mol}\\
V_{r}=50mL=0.05L\\\\
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