2. Mass-mass problems. Show your work and label your answers. a. How many grams of sulfur...
HELP WITH B and C please ? (molarity stoich) How many grams of sodium nitrite are needed to make 2.50 L of 1.12 M solution? Calculate the number of moles of the precipitate formed when 525 mL of 0.500 M potassium iodide reacts with excess lead (II) nitrate. Balanced equation:___ Calculate the number of grams of precipitate formed when 2.00 L of 0.400 M calcium chloride reacts with excess silver nitrate. Balanced equation: How many milliliters of a 1.5 M...
Show your work. Use the correct number of significant figures in your answers. Aluminum metal reacts with chlorine gas to form solid aluminum chloride. 1. Write the balanced equation including states of matter. 2. If 70.0 grams of aluminum reacts with excess chlorine gas, how many grams of aluminum chloride will form? 3. How many grams of chlorine will react completely with 85.6g of aluminum? Sodium hydroxide reacts with sulfuric acid to produce water and sodium sulfate. 4. Write the...
Please show all work on a separate sheet and staple to this page. Clearly show "road maps" and units. I. Calculate molarity of 12.443 g of aluminum sulfate in 250.0 mL solution. II. How many grams of copper(II) sulfate pentahydrate is needed to make 125.0 mL of a 0.550 M solution? III. Determine the amount of potassium chloride in 19.7 g of a solution containing 1.08% potassium chloride by mass. IV. A hard water sample contains 0.0085% calcium ion by...
Part A) Which is the correct equation for the reaction of magnesium with hydrochloric acid to produce hydrogen gas and magnesium chloride? Part B) Barium chloride and sodium sulfate react according to the following equation. BaCl2 + Na2SO4 → BaSO4 + 2NaCl Answer the following question(s) about this reaction. How many grams of barium chloride are needed to make 100. grams of barium sulfate? Part C) Barium chloride and sodium sulfate react according to the following equation. BaCl2 + Na2SO4...
For the reaction CaCO, + 2 NaNO Na,CO, + Ca(NO,)2 how many grams of calcium nitrate, Ca(NO3)2, are needed to react completely with 53.7 g of sodium carbonate, Na CO,? mass
For the reaction Na2CO3+Ca(NO3)2⟶CaCO3+2NaNO3 how many grams of calcium nitrate, Ca(NO3)2, are needed to react completely with 55.5 g of sodium carbonate, Na2CO3?
2)how many moles of barium sulfate are sulfate are produced from 0.1 mole of barium chloride? b) 3 moles of BACL2 will react to produce how many moles of potassium chloride? and so on..... 2) For the balanced equation; BaCl2 + K2SO4 → BaSO4 + 2KCI a) How many mole(s) of barium sulfate are produced from 0.1 mole of barium chloride? b) 3 moles of BaCl2 will react to produce how many moles of potassium chloride? 3) For the balanced...
How many grams of oxygen are formed when 6.21 moles of KOH are formed? 4 KO(s) + 2 H_2O(l) rightarrow 4 KOH(s) + O_2(g) 19.9g 27.9g 49.7g 3.59g 11.7g Consider the following balanced reaction. How many grams of water are required to from 75.9g of HNO_3? Assume that there is excess NO_2 present. Molar masses: H_2O = 18.02g. HNO_3 = 63.02g. 3 NO_2(g) + H_2O(l) rightarrow 2 HNO_3(aq) + NO(g) 38.0g 21.7g 43.4g 10.9g 26.5g A 12.39g sample of phosphorus...
Be sure to answer all parts. Determine how many grams of each of the following solutes would be needed to make 2.40 × 102 mL of a 0.100 M solution. (a) cesium bromide (CsBr): g (b) calcium sulfate (CaSO4): g (c) sodium phosphate (Na3PO4): g (d) lithium dichromate (Li2Cr2O7): g (e) potassium oxalate (K2C2O4): g
For the reactionNa₂CO₃+Ca(NO₃)₂ → CaCO₃+2NaNO₃how many grams of calcium nitrate, Ca(NO₃)₂, are needed to react completely with 40.5 g of sodium carbonate, Na₂CO₃ ?