Chemistry, asked by rituanand318, 9 months ago

Calculate the number of moles in 7.9 mg of Ca.

Answers

Answered by harry1579

4

Explanation:

no. of moles = given mass/ molar mass

= 0.0079g/40

= 0.0001975 moles

Answered by AbdulHafeezAhmed

3

no. of moles = given mass/ molar mass

= 0.0079g/40

= 0.0001975 moles is your answer

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