CaCl,*2H,O(aq) + Na,CO3 (a4) → 2NaCl + CaCO3 () + 2H,0 (aq) 1 mole Cacl,"2H,O 2 mole NacI 58.44g NaCI 5.0 g CaCl,*2H,O x 3.97g Naci 147.02g cacı,"2H,0 1 mole cacı,"2H,0 1 mole Naci 1 mole Na,CO, 58.44g Naci X 2 mole Naci 5.0 g Na,Co, x = 5.51g Naci 105.99 g Na,CO, 1 mole Na,Co, 1 mole Naci 3.97g is the Theoretical Yield of the Precipitate.

Predicting precipitation Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will form, enter its empirical formula in the last column. Does a empirical formula of precipitate form solution A solution B when A and B precipitate are mixed? ? manganese(II) chloride zinc sulfate yes no ammonium bromide sodium acetate yes no iron(II) sulfate sodium sulfide yes no

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A 24.8mL sample of vegetable juice is titrated with 15.65mL of NaOH solution. The molar concentration of the NaOH is .106 M. The molar mass of citric acid is 192.12 g-mol-1. Express all with three significant figures.  A) Determine the molar concentration of citric acid in the vegetable juice sample B) Determine the number of moles of citric acid per 240 mL of the vegetable juice.  C) Determine the mass of citric acid per 240 mL of the vegetable juice.  D) If the label on the bottle lists the citric acid contest as 1g per serving with a serving size of 240 mL determine the percent error in the rotation results. Express in 2 sig figs.

how do i find the total mass of percipitated product produced in a reaction where i have 50 ml sample of .150 M NaOH is added to 20.0 mL of .250 M NiBr2? step by step please

3Ba(NO3)2 + 2Na3PO4 -> Ba(PO4) + 6Na(NO3)2   1) Determine the Mass of precipitate produced when excess barium nitrate is reacted with 30.5g of sodium phosphate 2) Determine the number of barium nitrate molecules that would be needed to react   -----------------------------------------------------------------------------------   C3H8 + 5O2 ----> 3CO2 + 4H20   1) Determine the Mass of oxygen that would be needed to combust 4.55 x 10^23 molecules of propane (C3H8)   2) Calculate the mass carbon dioxide produced

Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will form, enter its empirical formula in the last column. Does a precipitate form when A and B empirical formula of solution A solution B precipitate are mixed? lead(II) nitrate potassium sulfate yes no potassium sulfide iron(II) chloride yes no potassium hydroxide iron(II) nitrate О yes no

Suppose a group of volunteers is planning on building a park near a local lake.the lake is known to contain low levels of arsenic .Therefore prior to starting construction the group decides to measure the current level of arsenic in the lake.a) If a14.7cm3 Sample of lake water is found to have 168.3 gems mg Aersinic .What is concentration of arsenic in the sample in parts per billion ,assuming density of lake water is 1.00g/cm3

1.     Reaction Add 1 drops of … Add 1 drops of… Did a precipitate form?   1 Fe(NO3)3         Na3PO4   2 AgNO3   3 Zn(NO3)2   4 Al(NO3)3   5 Pb(NO3)2