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For an experiment, you need 0.10 moles of NaCl for a chemical reaction. how much NaCl must you weigh out? A. 0.14g B. 3.2 g C. 8.2 g D. 5.8 g

For an experiment, you need 0.10 moles of NaCl for a chemical reaction. how much NaCl must you weigh out? A. 0.14g B. 3.2 g C. 8.2 g D. 5.8 g
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For an experiment, you need 0.10 moles of NaCl for a chemical reaction. how much NaCl must you weigh out?

A. 0.14g
B. 3.2 g
C. 8.2 g
D. 5.8 g

asked
User Arvind Sisara
by
7.8k points

1 Answer

1 vote
mole =mass ÷ Mr
∴mass = mole×Mr =0.10 × (23+35.5) = 5.85
the answer is D...

The Mr is obtained from the periodic table

answered
User Okarin
by
7.1k points
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