Sodium phosphate and calcium chloride react to form sodium chloride and calcium phosphate. if you have 379.4 grams of calcium chloride and an excess of sodium phosphate, how much calcium phosphate can you make? use the periodic table and the polyatomic ion resource. a. 353.5 g b. 379.4 g c. 402.2 g d. 863.4 g e. 1,060 g

- A. 353.5 g

Solution:- The balanced equation is:

From this equation, there is 3:1 mol ratio between calcium chloride and calcium phosphate.

Grams of calcium chloride are converted to moles and these moles are multiplied by the mol ratio to get the moles of calcium phosphate. Finally the moles are multiplied by molar mass to get the grams of calcium phosphate.

Molar mass of = 40.078+2(35.45) = 110.978 g per mol

Molar mass of = 3(40.078)+2(30.974)+8(16.00)

= 120.234+61.948+128.00 = 310.182 g per mol

let's make the set up using dimensional analysis.

=

Hence, 353.5 g of calcium phosphate will form and so the correct option is A.

Correct Answer is (A) 353.5 grams

Explanation:

Correct answer for portal and edmentum users

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the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.