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mamta
Questions (8)
If one is added to both numenator ans denominator fraction become 3/4 however 3 is subtracted from both the fraction become
3 answers
574 views
20 children go for a picnic in a bus. They are to sit 2 or 3 to a seat. There are 7 seats. How many seats will have 3 children
1 answer
3,255 views
H2
S + HNO3 --------> NO + H2 O + S 150 g of hydrogen sulfide are dissolved in 3500 mL of water. a. What is the molarity of the
1 answer
584 views
CaCO3 + H2
SO4 ------> CaSO4 + CO2 + H2 O 200 g of calcium carbonate are added to 4 L of water. a. What is the molarity of the
2 answers
866 views
Q- The distance from A to B is l. A plane flies at constant speed v relative to air along straight line from A to B & then from
0 answers
1,041 views
a grocery store stocks 3 brands of yogurt.store sells two containers of brand A yogurt for every one container of brand B or
2 answers
608 views
how do we determine the identification of an unknown substance using a thermochemical test ??? i mean the procedure
0 answers
567 views
an experiment to test the effect of zinc tablets on plant growth
1 answer
390 views
Answers (1)
NaHCO3 + HCl ----> NaCl + CO2 + H2 O 150 g of sodium bicarbonate are added to 2 L of water. a. What is the molarity of the sodium bicarbonate solution? b. How many moles of hydrogen chloride would be needed to react with a 35 mL sample of the sodium
