HW 4 - General Chemistry 1035 Homework 4 Due on October 7...

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Homework 4 Due on October 7 in class Make sure you have bubbled the correct student number. Failure to do so from this homework onwards will result in a zero for that homework 1. If 0.50 mol of Na 3 PO 4 is mixed with 0.30 mol of BaCl 2 , the maximum number of moles of barium phosphate which can be formed is (A) 0.10 (B) 0.15 (C) 0.30 (D) 0.50 2. How many moles of sulfur dioxide, SO 2 , can be produced from 160 g of sulfur and 320 g of oxygen? (A) 2.5 mol (B) 5.0 mol (C) 7.5 mol (D) 10.0 mol 3. A 40–mL portion of a 0.1 M MgSO 4 solution contains how many grams of MgSO 4 ? (A) 120 g (B) 24 g (C) 0.96 g (D) 0.6 g (E) 0.48 g 4. How many grams of sodium sulfate are needed to make 2.00 L of a 0.250 M solution? (A) 30.5 (B) 71.0 (C) 142 (D) 284 5. A 1.20 L sample is drawn from a bottle labeled “86.0% by weight H 2 SO 4 , density 1.787 g·mL –1 ”. What is the molarity of the sample? (A)
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HW 4 - General Chemistry 1035 Homework 4 Due on October 7...

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