(a) How many moles of calcium ions and (b) how many calcium ions are present in 415 mL of 0.750 M Ca3(PO4)2. Select one: O a. 0.934 mol Ca2+ and 5.62 x 1023 Ca²+ ions b. 0.311 mol Ca2+ and 1.87 x 1023 Ca²+ ions x c. 1.25 mol Ca2+ and 7.50 x 1023 Ca²* ions O d. 0.103 mol Ca2+ ions and 6.25 x 1022 Ca²+ ions O e. 1.81 mol Ca2+ and 1.09 x 1024 Ca²+ ions

Chemistry for Engineering Students
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Chapter3: Molecules, Moles, And Chemical Equations
Section: Chapter Questions
Problem 3.61PAE: 3.61 Calculate the molarity of each of the following solutions. (a) 1.45 mol HCl in 250. mL of...
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(a) How many moles of calcium ions and (b) how many calcium ions are present in 415 mL of 0.750 M
Cas(PO4)2-
Select one:
a. 0.934 mol Ca2+
and 5.62 x 1023 CCA2+ ions
b. 0.311 mol Ca2+
and 1.87 x 1023 Ca²+ ions x
c. 1.25 mol Ca2+
and 7.50 x 1023 CCA2+ ions
d. 0.103 mol Ca2+ ions and 6.25 x 102² Ca²+ ions
O e. 1.81 mol Ca2+
and 1.09 x 1024 Ca²+ ions
Transcribed Image Text:(a) How many moles of calcium ions and (b) how many calcium ions are present in 415 mL of 0.750 M Cas(PO4)2- Select one: a. 0.934 mol Ca2+ and 5.62 x 1023 CCA2+ ions b. 0.311 mol Ca2+ and 1.87 x 1023 Ca²+ ions x c. 1.25 mol Ca2+ and 7.50 x 1023 CCA2+ ions d. 0.103 mol Ca2+ ions and 6.25 x 102² Ca²+ ions O e. 1.81 mol Ca2+ and 1.09 x 1024 Ca²+ ions
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