Please show the calculations.
1) 1.3 g of zinc reacts with excess sulphuric acid. Calculate the volume of hydrogen gas formed at s. tp. (Zn = 65, 1 mole of gas occupies a volume of 22.4 dm³ at s. t.p.).
A. 112cm³
B. 224cm³
C. 336cm³
D. 448cm³
2) Calculate the volume of sodium hydroxide of concentration 0.5 mol dm¯³ needed to neutralize 25.0cm³ sulphate acid of concentration 0.20mol dm¯³.
A. 10cm³
B. 20cm³
C. 25cm³
D. 50cm³
Answers: 3
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Please show the calculations.
1) 1.3 g of zinc reacts with excess sulphuric acid. Calculate the vo...
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