Amount of substance is measured in terms of mole. The mass of substance via same number of basic systems as atoms in 12 g of carbon 12 is 1 mole.

You are watching: How many moles of k2so4 are in 15.0 g of k2so4

In action 1, we have to calculate the molar mass of

. The molar mass of can be calculated by using equation (1).**Step 1:** The molar mass of

…… (1)

The atomic mass of K is 39.09 g.

The atomic mass of S is 32.06 g.

The atomic mass of O is 16 g.

Substitute these values in equation (1).

\&=left< ext78 ext.18 g+ ext32 ext.06 g+ ext64 g ight>\&=174.24; extg/mol\endgathered" alt="eginaligned extMolar mass ofmathbf extK_ ext2 extS extO_ ext4&=left< ext2left( ext39 ext.09 g ight)+ ext1left( ext32 ext.06 g ight)+ ext4left( ext16 g ight) ight>\&=left< ext78 ext.18 g+ ext32 ext.06 g+ ext64 g ight>\&=174.24; extg/mol\endgathered" align="absmiddle" class="latex-formula">In step 2, the molar mass calculated in step 1 is provided to calculate the number of moles of

. The variety of moles of is calculated by utilizing equation (2).**Step 2:** The formula to calculate the moles of

…… (2)

The given mass of

is 15 g.The molar mass of

is 174.24 g/mol.Substitute these worths in equation (2).

**Learn more:**

**1.** Calculate the moles of ions in the solution: brainly.com/question/5950133

**2.See more: Which Of The Following Composers Was Not Influenced By Jazz ? A** Calculate the moles of chlorine in 8 moles of carbon tetrachloride: brainly.com/question/3064603

**chathamtownfc.net details:**

**Grade:** Senior School

**Subject:** Chemistry

**Chapter:** Mole concept

**Keywords:** molar mass, mole, K2SO4, 0.0860 mol, provided mass, atomic mass, K, S, O, 16 g, 32.06 g, 39.09 g, 15 g, 174.24 g/mol.