What the mass in grams of 6.25 mol of copper(II) nitrate

Mass of 6.25 moles of copper(II) nitrate = 1025 grams

Explanation:

Let us calculate the molar mass of Copper (II) nitrate

Molecular formula = Ca(NO₃)₂

Atomic mass of Ca = 40 g/mol

Atomic mass of N =14 g/mol

Atomic mass of O = 16 g/mol

molar mass of Ca(NO₃)₂ = 40 + (14 X2) +( 6X16) = 164 g/mol

moles=\frac{mass}{molarmass}moles=

molarmass

mass

therefore

mass = moles X molar mass

mass = 6.25 X 164 = 1025 grams

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