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Chromium can form either a 2+ or a 3+ ion. what is the stock name for the chromium ion with the 3+ charge?

Chemistry

1 answer:

koban [17]3 years ago

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Chromium (III)

Gradpionts Answer

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Calcuate the number of grams of solute in 453.9mL of 0.237 M calcium acetate

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The number of grams : 17.082 g

<h3>Further explanation</h3>

Molarity shows the number of moles of solute in every 1 liter of solute or mmol in each ml of solution

$\large {\boxed {\bold {M ~ = ~ \dfrac {n} {V}}}$

Where

M = Molarity

n = Number of moles of solute

V = Volume of solution

453.9 mL of 0.237 M calcium acetate

$\tt mol=M\times V=0.237\times 0.4539=0.108$

mass

MW Ca(C₂H₃OO)₂ : 158,17 g/mol

$\tt mass=mol\times MW\\\\mass=0.108\times 158.17=17.082~g$

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