Chemistry, 30.10.2021 02:10 thelonewolf5020
Calcule el volumen de reactivo concentrado requerido para preparar las disoluciones diluidas indicadas:
a) H3PO4 15 M para preparar 750 mL de H3PO4 3.0 M
b) HNO3 16 M para preparar 250 mL de HNO3 0.50 M
Answers: 3
Chemistry, 22.06.2019 10:30
If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5
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Chemistry, 23.06.2019 10:00
How many grams of cupric sulfate pentahydrate are needed to prepare 50.00 ml of 0.0800m cuso4× 5h2o?
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 3.75 mol fe and 8.70 mol nio(oh) react?
Answers: 1
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