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ivolga24 [154]
3 years ago
11

The compound mgso4, epsom salts, is used to soothe sore feet and muscles. how many grams will you need to prepare a bath contain

ing 5.40 mol of epsom salts?
Chemistry
2 answers:
VLD [36.1K]3 years ago
8 0

Answer: Mass= n x molar mass= 4.00 moles x 120.4 g/mol = 482 g

Explanation:

number of moles = mass/ molar mass

Gala2k [10]3 years ago
3 0

Answer:

648 grams of epsom salt will be needed.

Explanation:

Mass of magnesium atom = 24  g/mol

Mass of sulfur atom= 32 g/mol

Mass of oxygen atom= 16 g/mol

Molar mass of epsom salt: 24 g/mol+32 g/mol+4\times 16 g/mol=120 g/mol

Moles of epsom salt in water = 5.40 mol

Mass of 5.40 moles of  epsom salt : Molar mass × Moles:

=120 g/mol\times 5.40 mol=648 g

648 grams of epsom salt will be needed.

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