Sicatroseanneidn
Answered

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III How many grams are there in
1. 2 moles of H2O
2. 1 mole of NaCl
3. 1.5 moles of CH.COOH​

Sagot :

Solution (1)

Step 1: Calculate the molar mass of H₂O.

molar mass = (1 g/mol × 2) + (16 g/mol × 1)

molar mass = 18 g/mol

Step 2: Calculate the mass of H₂O.

[tex]\text{mass of H₂O = 2 mol H₂O} × \frac{\text{18 g H₂O}}{\text{1 mol H₂O}}[/tex]

[tex]\boxed{\text{mass of H₂O = 36 g}}[/tex]

Solution (2)

Step 1: Calculate the molar mass of NaCl.

molar mass = (22.99 g/mol × 2) + (35.45 g/mol × 1)

molar mass = 58.44 g/mol

Step 2: Calculate the mass of NaCl.

[tex]\text{mass of NaCl = 1 mol NaCl} × \frac{\text{58.44 g NaCl}}{\text{1 mol NaCl}}[/tex]

[tex]\boxed{\text{mass of NaCl = 58.44 g}}[/tex]

Solution (3)

Step 1: Calculate the molar mass of CH₃COOH.

molar mass = (12 g/mol × 2) + (1 g/mol × 4) + (16 g/mol × 2)

molar mass = 60 g/mol

Step 2: Calculate the mass of CH₃COOH.

[tex]\text{mass of CH₃COOH = 1.5 mol CH₃COOH} × \frac{\text{60 g CH₃COOH}}{\text{1 mol CH₃COOH}}[/tex]

[tex]\boxed{\text{mass of CH₃COOH = 90 g}}[/tex]

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Ryanuddin6idn

Answer:

1 answer is 18 grams

2 answer is 58.44 grams

3 answer is 90.07794 grams

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