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jeka94
3 years ago
14

Mass in grams of 4.26 mol Si

Chemistry
2 answers:
Brrunno [24]3 years ago
7 0

Answer/ explanation :

Mass in grams of 4.26 mol of Si.

To calculate this, we use the formula

Number of mole = mass / molar mass

Since we are given the number of mole

Number of mole = 4.26mol

Mass = ?g

Molar mass of Si = 28.0855g/mol

4.26mol = mass / 28.0855g/mol

By cross multiplication,

Mass = 4.26 * 28.0855

= 119.644g

Therefore, the number of mass in gram of Si is 119.644g

Whitepunk [10]3 years ago
6 0

Answer:

119.28g

Explanation:

Data obtained from the question include:

Number of mole of Si = 4.26 mol

Molar Mass of Si = 28g/mol

Mass of Si =?

Number of mole = Mass /Molar Mass

Mass = number of mole x molar Mass

Mass of Si = 4.26 x 28

Mass of Si = 119.28g

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