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OD When 0.844 grams of Na,(PO) 12H0 (FN-380.20 g'mol reacts with excess of BaCl2.0 (F. W* 2442 g/mol) how many moes of Ba(PO) are produced (Et 602.20g/mod? a) 0,0040 mol b) 0.0024 mal 2.) 0.0025 100 G 0,0011 mol 02) A sample of hydrogel gas has a volim of 8.5 nt temptatoer of O "Cand a preme 50 atm alculate the malesef Histes present in the gas sample R 0.08206 List/Itn61)? ya 57 mil b) 0.49 mol c)0,30 mol d) 0,75 mot 031 20ml of O. IM NaOH is required to reach the end point in titrating: 5.0 g of a vinegar sample caleulate the weight of acetic acid (Fw=60,05g/mol)and the percent by miss of acetic acid in this sample 4) 0,24,53% 670.12.24% -0,31,5.1% d) 0,12,5.24 Q4) Phenolpithalin indicator changes color from a colories in basic solution to pink in acidic solution colors in acidic solution to pink in basic solution c) coloris in acidic solution to blue in basle solution. d)coloriss in basic solution to blue in acidic solution 05) A 0.54g sample of bleach is analyzed according to the procedure of the experiment. If 27m1 of 0 FOM N350 are required to feel he end point, how many moles of Octure present a) 0.01 mole b) 0.001 mole c) 0.15 mole 6.0019 mole 06) A 0.90grams of unknown monoprotic acid (HA) requires 28.0ml of 0 20M NaOH to reach the end point, the molar mass of this asid ? a) 120.22 g/mol b) 155-32g/mol %60.719/mol d) 175.62g/mol