Step one calculate the moles of each element
that is moles= % composition/molar mass
molar mass of Ca = 40g/mol, S= 32 g/mol , O= 16 g/mol

moles of Ca = 29.4 /40g/mol=0.735 moles, S= 23.5/32 =0.734 moles, O= 47.1/16= 2.94 moles

calculate the mole ratio by dividing each mole with smallest mole that is 0.734
Ca= 0.735/0.734= 1, S= 0.734/0.734 =1, O = 2.94/ 0.734= 4
therefore the emipical formula = CaSO4

5 0

3 years ago

Explain why it is better to use data from multiple trials to determine the molarity of acetic acid rather than data from a singl

vivado [14]

This is the answer, in the picture :)

7 0

3 years ago

Is gasoline a compound or a mixture? compound mixture

ehidna [41]

Gasoline would be a mixture if I recalled

3 0

3 years ago