Question

PLZZ SOLVE THEM ,I WILL MARK YOU BRAINLIEST

HOME ASSIGNMENT - 9
1 The mass of CaCO3 produced when carbon dioxide is passed in excess through
M Ca(OH)2 will be-
(A) 10 gm
(B) 20 gm
(C) 50 gm
(D) 25 gm.
2. The amount of sulphur required to produce 100 moles of H2SO4 IS
(A) 3.2 x 103 gm (B) 32.65 gm
(C) 32 gm
(D) 3.2 gm
nole of ethanol (C2H5OH) completely burns to form carbon dioxide and water, the
weight of carbon dioxide formed is about -
(A) 22 gm
(B) 45 gm
(C) 66 gm
(D) 88 gm
4. X gm of Ag was dissolved in HNO, and the solution was treated with excess of NaCl. When
2.87 gm of AgCl was precipitated the value of x is -
(A) 1.08 gm
(B) 2.16 gm
(C) 2.70 gm
(D) 1.62 gm
5. What mass of calcium chloride in grams would be enough to produce 14.35 gm of Agci.
(At. mass Ca = 40, Ag = 108) -
(A) 5.55 gm
(B) 8.295 gm
(C) 16.59 gm
(D) 11.19 gm
6. How many gm of HCl is needed for complete reaction with 69.6 gm MnO2 (Mn = 55)?
HCl + MnO2 MnCl2 + H2O + Cl2
(A) 124.8 gm
(B) 116.8 gm
(C) 137.8 gm
(D)107.8 gm

PLZZ SOLVE ​

Answer 1

Answer:

sorry

Explanation: