Chemistry, 25.07.2019 21:20 Natasha019
Vitamin k is involved in normal blood clotting. when 0.802 g of vitamin k is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 2.69 °c. the freezing point and kf constant for camphor can be found here. calculate the molar mass of vitamin k.
Answers: 1
Chemistry, 21.06.2019 21:10
How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103
Answers: 1
Chemistry, 22.06.2019 06:40
Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
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Chemistry, 23.06.2019 05:00
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 4.20 mol fe and 6.70 mol nio(oh) react?
Answers: 3
Vitamin k is involved in normal blood clotting. when 0.802 g of vitamin k is dissolved in 25.0 g of...
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